Home / 99,541.13-137,366.76-54,829.13

Finding the Fourth Proportional to 99,541.13, 137,366.76 and 54,829.13

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Solution

The fourth proportional to 99,541.13, 137,366.76 and 54,829.13 is: 75,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,541.13 : 137,366.76 = 54,829.13 : x
  2. Step 2: Convert to fraction form
    99,541.13/137,366.76 = 54,829.13/x
  3. Step 3: Cross multiply
    99,541.13x = 137,366.76 × 54,829.13
  4. Step 4: Simplify right side
    99,541.13x = 7,531,699,254.89
  5. Step 5: Solve for x
    x = 7,531,699,254.89/99,541.13
  6. Step 6: Final answer
    x = 75,664.20

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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.