Home / 87,855.18-121,232.42-52,039.14

Finding the Fourth Proportional to 87,855.18, 121,232.42 and 52,039.14

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Solution

The fourth proportional to 87,855.18, 121,232.42 and 52,039.14 is: 71,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.18 : 121,232.42 = 52,039.14 : x
  2. Step 2: Convert to fraction form
    87,855.18/121,232.42 = 52,039.14/x
  3. Step 3: Cross multiply
    87,855.18x = 121,232.42 × 52,039.14
  4. Step 4: Simplify right side
    87,855.18x = 6,308,830,876.92
  5. Step 5: Solve for x
    x = 6,308,830,876.92/87,855.18
  6. Step 6: Final answer
    x = 71,809.44

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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.