Home / 99,966.44-137,931.46-57,524.96

Finding the Fourth Proportional to 99,966.44, 137,931.46 and 57,524.96

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Solution

The fourth proportional to 99,966.44, 137,931.46 and 57,524.96 is: 79,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,966.44 : 137,931.46 = 57,524.96 : x
  2. Step 2: Convert to fraction form
    99,966.44/137,931.46 = 57,524.96/x
  3. Step 3: Cross multiply
    99,966.44x = 137,931.46 × 57,524.96
  4. Step 4: Simplify right side
    99,966.44x = 7,934,501,920.26
  5. Step 5: Solve for x
    x = 7,934,501,920.26/99,966.44
  6. Step 6: Final answer
    x = 79,371.65

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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.