Home / 92,217.72-138,329.28-36,055.56

Finding the Fourth Proportional to 92,217.72, 138,329.28 and 36,055.56

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Solution

The fourth proportional to 92,217.72, 138,329.28 and 36,055.56 is: 54,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,217.72 : 138,329.28 = 36,055.56 : x
  2. Step 2: Convert to fraction form
    92,217.72/138,329.28 = 36,055.56/x
  3. Step 3: Cross multiply
    92,217.72x = 138,329.28 × 36,055.56
  4. Step 4: Simplify right side
    92,217.72x = 4,987,539,654.80
  5. Step 5: Solve for x
    x = 4,987,539,654.80/92,217.72
  6. Step 6: Final answer
    x = 54,084.40

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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.