Home / 78,966.38-118,470.08-23,562.38

Finding the Fourth Proportional to 78,966.38, 118,470.08 and 23,562.38

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Solution

The fourth proportional to 78,966.38, 118,470.08 and 23,562.38 is: 35,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966.38 : 118,470.08 = 23,562.38 : x
  2. Step 2: Convert to fraction form
    78,966.38/118,470.08 = 23,562.38/x
  3. Step 3: Cross multiply
    78,966.38x = 118,470.08 × 23,562.38
  4. Step 4: Simplify right side
    78,966.38x = 2,791,436,510.15
  5. Step 5: Solve for x
    x = 2,791,436,510.15/78,966.38
  6. Step 6: Final answer
    x = 35,349.69

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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.