Home / 86,186.04-129,279.06-27,026.48

Finding the Fourth Proportional to 86,186.04, 129,279.06 and 27,026.48

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Solution

The fourth proportional to 86,186.04, 129,279.06 and 27,026.48 is: 40,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,186.04 : 129,279.06 = 27,026.48 : x
  2. Step 2: Convert to fraction form
    86,186.04/129,279.06 = 27,026.48/x
  3. Step 3: Cross multiply
    86,186.04x = 129,279.06 × 27,026.48
  4. Step 4: Simplify right side
    86,186.04x = 3,493,957,283.11
  5. Step 5: Solve for x
    x = 3,493,957,283.11/86,186.04
  6. Step 6: Final answer
    x = 40,539.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.