Home / 74,787.26-112,117.97-34,785.91

Finding the Fourth Proportional to 74,787.26, 112,117.97 and 34,785.91

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Solution

The fourth proportional to 74,787.26, 112,117.97 and 34,785.91 is: 52,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.26 : 112,117.97 = 34,785.91 : x
  2. Step 2: Convert to fraction form
    74,787.26/112,117.97 = 34,785.91/x
  3. Step 3: Cross multiply
    74,787.26x = 112,117.97 × 34,785.91
  4. Step 4: Simplify right side
    74,787.26x = 3,900,126,156.25
  5. Step 5: Solve for x
    x = 3,900,126,156.25/74,787.26
  6. Step 6: Final answer
    x = 52,149.61

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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.