Home / 92,456.96-138,781.16-56,943.86

Finding the Fourth Proportional to 92,456.96, 138,781.16 and 56,943.86

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Solution

The fourth proportional to 92,456.96, 138,781.16 and 56,943.86 is: 85,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,456.96 : 138,781.16 = 56,943.86 : x
  2. Step 2: Convert to fraction form
    92,456.96/138,781.16 = 56,943.86/x
  3. Step 3: Cross multiply
    92,456.96x = 138,781.16 × 56,943.86
  4. Step 4: Simplify right side
    92,456.96x = 7,902,734,945.68
  5. Step 5: Solve for x
    x = 7,902,734,945.68/92,456.96
  6. Step 6: Final answer
    x = 85,474.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.