Home / 99,350.93-137,042.61-61,625.18

Finding the Fourth Proportional to 99,350.93, 137,042.61 and 61,625.18

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Solution

The fourth proportional to 99,350.93, 137,042.61 and 61,625.18 is: 85,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350.93 : 137,042.61 = 61,625.18 : x
  2. Step 2: Convert to fraction form
    99,350.93/137,042.61 = 61,625.18/x
  3. Step 3: Cross multiply
    99,350.93x = 137,042.61 × 61,625.18
  4. Step 4: Simplify right side
    99,350.93x = 8,445,275,508.92
  5. Step 5: Solve for x
    x = 8,445,275,508.92/99,350.93
  6. Step 6: Final answer
    x = 85,004.49

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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.