Home / 74,192.28-102,387.25-45,527.78

Finding the Fourth Proportional to 74,192.28, 102,387.25 and 45,527.78

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Solution

The fourth proportional to 74,192.28, 102,387.25 and 45,527.78 is: 62,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.28 : 102,387.25 = 45,527.78 : x
  2. Step 2: Convert to fraction form
    74,192.28/102,387.25 = 45,527.78/x
  3. Step 3: Cross multiply
    74,192.28x = 102,387.25 × 45,527.78
  4. Step 4: Simplify right side
    74,192.28x = 4,661,464,121.73
  5. Step 5: Solve for x
    x = 4,661,464,121.73/74,192.28
  6. Step 6: Final answer
    x = 62,829.50

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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.