Home / 60,728.06-90,481.51-57,332.75

Finding the Fourth Proportional to 60,728.06, 90,481.51 and 57,332.75

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Solution

The fourth proportional to 60,728.06, 90,481.51 and 57,332.75 is: 85,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728.06 : 90,481.51 = 57,332.75 : x
  2. Step 2: Convert to fraction form
    60,728.06/90,481.51 = 57,332.75/x
  3. Step 3: Cross multiply
    60,728.06x = 90,481.51 × 57,332.75
  4. Step 4: Simplify right side
    60,728.06x = 5,187,553,792.45
  5. Step 5: Solve for x
    x = 5,187,553,792.45/60,728.06
  6. Step 6: Final answer
    x = 85,422.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.