Home / 91,227.52-125,830.62-62,549.78

Finding the Fourth Proportional to 91,227.52, 125,830.62 and 62,549.78

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Solution

The fourth proportional to 91,227.52, 125,830.62 and 62,549.78 is: 86,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227.52 : 125,830.62 = 62,549.78 : x
  2. Step 2: Convert to fraction form
    91,227.52/125,830.62 = 62,549.78/x
  3. Step 3: Cross multiply
    91,227.52x = 125,830.62 × 62,549.78
  4. Step 4: Simplify right side
    91,227.52x = 7,870,677,598.26
  5. Step 5: Solve for x
    x = 7,870,677,598.26/91,227.52
  6. Step 6: Final answer
    x = 86,275.26

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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.