Home / 74,246.28-111,124.80-63,981.96

Finding the Fourth Proportional to 74,246.28, 111,124.80 and 63,981.96

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Solution

The fourth proportional to 74,246.28, 111,124.80 and 63,981.96 is: 95,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.28 : 111,124.80 = 63,981.96 : x
  2. Step 2: Convert to fraction form
    74,246.28/111,124.80 = 63,981.96/x
  3. Step 3: Cross multiply
    74,246.28x = 111,124.80 × 63,981.96
  4. Step 4: Simplify right side
    74,246.28x = 7,109,982,508.61
  5. Step 5: Solve for x
    x = 7,109,982,508.61/74,246.28
  6. Step 6: Final answer
    x = 95,762.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.