Home / 74,302.38-111,367.72-34,237.61

Finding the Fourth Proportional to 74,302.38, 111,367.72 and 34,237.61

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Solution

The fourth proportional to 74,302.38, 111,367.72 and 34,237.61 is: 51,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.38 : 111,367.72 = 34,237.61 : x
  2. Step 2: Convert to fraction form
    74,302.38/111,367.72 = 34,237.61/x
  3. Step 3: Cross multiply
    74,302.38x = 111,367.72 × 34,237.61
  4. Step 4: Simplify right side
    74,302.38x = 3,812,963,921.52
  5. Step 5: Solve for x
    x = 3,812,963,921.52/74,302.38
  6. Step 6: Final answer
    x = 51,316.85

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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.