Home / 87,816.30-121,185.27-50,091.18

Finding the Fourth Proportional to 87,816.30, 121,185.27 and 50,091.18

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Solution

The fourth proportional to 87,816.30, 121,185.27 and 50,091.18 is: 69,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816.30 : 121,185.27 = 50,091.18 : x
  2. Step 2: Convert to fraction form
    87,816.30/121,185.27 = 50,091.18/x
  3. Step 3: Cross multiply
    87,816.30x = 121,185.27 × 50,091.18
  4. Step 4: Simplify right side
    87,816.30x = 6,070,313,172.92
  5. Step 5: Solve for x
    x = 6,070,313,172.92/87,816.30
  6. Step 6: Final answer
    x = 69,125.13

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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.