Home / 86,279.04-129,404.16-23,955.84

Finding the Fourth Proportional to 86,279.04, 129,404.16 and 23,955.84

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Solution

The fourth proportional to 86,279.04, 129,404.16 and 23,955.84 is: 35,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,279.04 : 129,404.16 = 23,955.84 : x
  2. Step 2: Convert to fraction form
    86,279.04/129,404.16 = 23,955.84/x
  3. Step 3: Cross multiply
    86,279.04x = 129,404.16 × 23,955.84
  4. Step 4: Simplify right side
    86,279.04x = 3,099,985,352.29
  5. Step 5: Solve for x
    x = 3,099,985,352.29/86,279.04
  6. Step 6: Final answer
    x = 35,929.76

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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.