Home / 86,115.48-129,182.94-36,186.27

Finding the Fourth Proportional to 86,115.48, 129,182.94 and 36,186.27

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Solution

The fourth proportional to 86,115.48, 129,182.94 and 36,186.27 is: 54,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,115.48 : 129,182.94 = 36,186.27 : x
  2. Step 2: Convert to fraction form
    86,115.48/129,182.94 = 36,186.27/x
  3. Step 3: Cross multiply
    86,115.48x = 129,182.94 × 36,186.27
  4. Step 4: Simplify right side
    86,115.48x = 4,674,648,746.23
  5. Step 5: Solve for x
    x = 4,674,648,746.23/86,115.48
  6. Step 6: Final answer
    x = 54,283.49

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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.