Home / 99,863.26-137,810.57-54,541.24

Finding the Fourth Proportional to 99,863.26, 137,810.57 and 54,541.24

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Solution

The fourth proportional to 99,863.26, 137,810.57 and 54,541.24 is: 75,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,863.26 : 137,810.57 = 54,541.24 : x
  2. Step 2: Convert to fraction form
    99,863.26/137,810.57 = 54,541.24/x
  3. Step 3: Cross multiply
    99,863.26x = 137,810.57 × 54,541.24
  4. Step 4: Simplify right side
    99,863.26x = 7,516,358,755.67
  5. Step 5: Solve for x
    x = 7,516,358,755.67/99,863.26
  6. Step 6: Final answer
    x = 75,266.51

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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.