Home / 99,335.30-137,081.97-54,013.23

Finding the Fourth Proportional to 99,335.30, 137,081.97 and 54,013.23

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Solution

The fourth proportional to 99,335.30, 137,081.97 and 54,013.23 is: 74,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.30 : 137,081.97 = 54,013.23 : x
  2. Step 2: Convert to fraction form
    99,335.30/137,081.97 = 54,013.23/x
  3. Step 3: Cross multiply
    99,335.30x = 137,081.97 × 54,013.23
  4. Step 4: Simplify right side
    99,335.30x = 7,404,239,974.46
  5. Step 5: Solve for x
    x = 7,404,239,974.46/99,335.30
  6. Step 6: Final answer
    x = 74,537.86

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1.5x scale

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.