Home / 56,209.28-77,433.24-48,117.20

Finding the Fourth Proportional to 56,209.28, 77,433.24 and 48,117.20

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Solution

The fourth proportional to 56,209.28, 77,433.24 and 48,117.20 is: 66,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.28 : 77,433.24 = 48,117.20 : x
  2. Step 2: Convert to fraction form
    56,209.28/77,433.24 = 48,117.20/x
  3. Step 3: Cross multiply
    56,209.28x = 77,433.24 × 48,117.20
  4. Step 4: Simplify right side
    56,209.28x = 3,725,870,695.73
  5. Step 5: Solve for x
    x = 3,725,870,695.73/56,209.28
  6. Step 6: Final answer
    x = 66,285.69

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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.