Home / 74,564.46-102,882.06-54,432.30

Finding the Fourth Proportional to 74,564.46, 102,882.06 and 54,432.30

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Solution

The fourth proportional to 74,564.46, 102,882.06 and 54,432.30 is: 75,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.46 : 102,882.06 = 54,432.30 : x
  2. Step 2: Convert to fraction form
    74,564.46/102,882.06 = 54,432.30/x
  3. Step 3: Cross multiply
    74,564.46x = 102,882.06 × 54,432.30
  4. Step 4: Simplify right side
    74,564.46x = 5,600,107,154.54
  5. Step 5: Solve for x
    x = 5,600,107,154.54/74,564.46
  6. Step 6: Final answer
    x = 75,104.24

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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.