Home / 74,455.38-111,701.88-21,864.87

Finding the Fourth Proportional to 74,455.38, 111,701.88 and 21,864.87

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Solution

The fourth proportional to 74,455.38, 111,701.88 and 21,864.87 is: 32,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455.38 : 111,701.88 = 21,864.87 : x
  2. Step 2: Convert to fraction form
    74,455.38/111,701.88 = 21,864.87/x
  3. Step 3: Cross multiply
    74,455.38x = 111,701.88 × 21,864.87
  4. Step 4: Simplify right side
    74,455.38x = 2,442,347,084.96
  5. Step 5: Solve for x
    x = 2,442,347,084.96/74,455.38
  6. Step 6: Final answer
    x = 32,802.83

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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.