Home / 62,839.70-86,720.25-34,160.99

Finding the Fourth Proportional to 62,839.70, 86,720.25 and 34,160.99

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Solution

The fourth proportional to 62,839.70, 86,720.25 and 34,160.99 is: 47,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,839.70 : 86,720.25 = 34,160.99 : x
  2. Step 2: Convert to fraction form
    62,839.70/86,720.25 = 34,160.99/x
  3. Step 3: Cross multiply
    62,839.70x = 86,720.25 × 34,160.99
  4. Step 4: Simplify right side
    62,839.70x = 2,962,449,159.45
  5. Step 5: Solve for x
    x = 2,962,449,159.45/62,839.70
  6. Step 6: Final answer
    x = 47,142.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.