Home / 90,677.64-125,125.38-50,382.30

Finding the Fourth Proportional to 90,677.64, 125,125.38 and 50,382.30

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Solution

The fourth proportional to 90,677.64, 125,125.38 and 50,382.30 is: 69,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.64 : 125,125.38 = 50,382.30 : x
  2. Step 2: Convert to fraction form
    90,677.64/125,125.38 = 50,382.30/x
  3. Step 3: Cross multiply
    90,677.64x = 125,125.38 × 50,382.30
  4. Step 4: Simplify right side
    90,677.64x = 6,304,104,432.77
  5. Step 5: Solve for x
    x = 6,304,104,432.77/90,677.64
  6. Step 6: Final answer
    x = 69,522.15

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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.