Home / 99,677.92-137,554.44-54,355.76

Finding the Fourth Proportional to 99,677.92, 137,554.44 and 54,355.76

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Solution

The fourth proportional to 99,677.92, 137,554.44 and 54,355.76 is: 75,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,677.92 : 137,554.44 = 54,355.76 : x
  2. Step 2: Convert to fraction form
    99,677.92/137,554.44 = 54,355.76/x
  3. Step 3: Cross multiply
    99,677.92x = 137,554.44 × 54,355.76
  4. Step 4: Simplify right side
    99,677.92x = 7,476,876,127.57
  5. Step 5: Solve for x
    x = 7,476,876,127.57/99,677.92
  6. Step 6: Final answer
    x = 75,010.35

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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.