Home / 99,541.88-137,367.80-54,829.88

Finding the Fourth Proportional to 99,541.88, 137,367.80 and 54,829.88

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Solution

The fourth proportional to 99,541.88, 137,367.80 and 54,829.88 is: 75,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,541.88 : 137,367.80 = 54,829.88 : x
  2. Step 2: Convert to fraction form
    99,541.88/137,367.80 = 54,829.88/x
  3. Step 3: Cross multiply
    99,541.88x = 137,367.80 × 54,829.88
  4. Step 4: Simplify right side
    99,541.88x = 7,531,859,028.88
  5. Step 5: Solve for x
    x = 7,531,859,028.88/99,541.88
  6. Step 6: Final answer
    x = 75,665.23

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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.