Home / 99,693.03-137,575.40-57,251.87

Finding the Fourth Proportional to 99,693.03, 137,575.40 and 57,251.87

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Solution

The fourth proportional to 99,693.03, 137,575.40 and 57,251.87 is: 79,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,693.03 : 137,575.40 = 57,251.87 : x
  2. Step 2: Convert to fraction form
    99,693.03/137,575.40 = 57,251.87/x
  3. Step 3: Cross multiply
    99,693.03x = 137,575.40 × 57,251.87
  4. Step 4: Simplify right side
    99,693.03x = 7,876,447,941.86
  5. Step 5: Solve for x
    x = 7,876,447,941.86/99,693.03
  6. Step 6: Final answer
    x = 79,007.01

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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.