Home / 109,781.07-151,495.90-62,033.39

Finding the Fourth Proportional to 109,781.07, 151,495.90 and 62,033.39

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Solution

The fourth proportional to 109,781.07, 151,495.90 and 62,033.39 is: 85,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,781.07 : 151,495.90 = 62,033.39 : x
  2. Step 2: Convert to fraction form
    109,781.07/151,495.90 = 62,033.39/x
  3. Step 3: Cross multiply
    109,781.07x = 151,495.90 × 62,033.39
  4. Step 4: Simplify right side
    109,781.07x = 9,397,804,248.10
  5. Step 5: Solve for x
    x = 9,397,804,248.10/109,781.07
  6. Step 6: Final answer
    x = 85,604.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.