Home / 99,541.26-137,366.92-54,829.26

Finding the Fourth Proportional to 99,541.26, 137,366.92 and 54,829.26

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Solution

The fourth proportional to 99,541.26, 137,366.92 and 54,829.26 is: 75,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,541.26 : 137,366.92 = 54,829.26 : x
  2. Step 2: Convert to fraction form
    99,541.26/137,366.92 = 54,829.26/x
  3. Step 3: Cross multiply
    99,541.26x = 137,366.92 × 54,829.26
  4. Step 4: Simplify right side
    99,541.26x = 7,531,726,572.08
  5. Step 5: Solve for x
    x = 7,531,726,572.08/99,541.26
  6. Step 6: Final answer
    x = 75,664.37

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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.