Home / 90,337.68-124,670.64-54,527.20

Finding the Fourth Proportional to 90,337.68, 124,670.64 and 54,527.20

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Solution

The fourth proportional to 90,337.68, 124,670.64 and 54,527.20 is: 75,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,337.68 : 124,670.64 = 54,527.20 : x
  2. Step 2: Convert to fraction form
    90,337.68/124,670.64 = 54,527.20/x
  3. Step 3: Cross multiply
    90,337.68x = 124,670.64 × 54,527.20
  4. Step 4: Simplify right side
    90,337.68x = 6,797,940,921.41
  5. Step 5: Solve for x
    x = 6,797,940,921.41/90,337.68
  6. Step 6: Final answer
    x = 75,250.34

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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.