Home / 86,262.84-129,426.38-38,863.71

Finding the Fourth Proportional to 86,262.84, 129,426.38 and 38,863.71

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Solution

The fourth proportional to 86,262.84, 129,426.38 and 38,863.71 is: 58,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262.84 : 129,426.38 = 38,863.71 : x
  2. Step 2: Convert to fraction form
    86,262.84/129,426.38 = 38,863.71/x
  3. Step 3: Cross multiply
    86,262.84x = 129,426.38 × 38,863.71
  4. Step 4: Simplify right side
    86,262.84x = 5,029,989,250.09
  5. Step 5: Solve for x
    x = 5,029,989,250.09/86,262.84
  6. Step 6: Final answer
    x = 58,310.04

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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.