Home / 87,839.77-121,219.27-47,553.53

Finding the Fourth Proportional to 87,839.77, 121,219.27 and 47,553.53

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Solution

The fourth proportional to 87,839.77, 121,219.27 and 47,553.53 is: 65,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,839.77 : 121,219.27 = 47,553.53 : x
  2. Step 2: Convert to fraction form
    87,839.77/121,219.27 = 47,553.53/x
  3. Step 3: Cross multiply
    87,839.77x = 121,219.27 × 47,553.53
  4. Step 4: Simplify right side
    87,839.77x = 5,764,403,651.71
  5. Step 5: Solve for x
    x = 5,764,403,651.71/87,839.77
  6. Step 6: Final answer
    x = 65,624.08

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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.