Home / 99,564.44-137,398.39-54,242.30

Finding the Fourth Proportional to 99,564.44, 137,398.39 and 54,242.30

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Solution

The fourth proportional to 99,564.44, 137,398.39 and 54,242.30 is: 74,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.44 : 137,398.39 = 54,242.30 : x
  2. Step 2: Convert to fraction form
    99,564.44/137,398.39 = 54,242.30/x
  3. Step 3: Cross multiply
    99,564.44x = 137,398.39 × 54,242.30
  4. Step 4: Simplify right side
    99,564.44x = 7,452,804,897.79
  5. Step 5: Solve for x
    x = 7,452,804,897.79/99,564.44
  6. Step 6: Final answer
    x = 74,854.09

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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.