Home / 92,330.88-138,360.08-42,287.52

Finding the Fourth Proportional to 92,330.88, 138,360.08 and 42,287.52

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Solution

The fourth proportional to 92,330.88, 138,360.08 and 42,287.52 is: 63,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330.88 : 138,360.08 = 42,287.52 : x
  2. Step 2: Convert to fraction form
    92,330.88/138,360.08 = 42,287.52/x
  3. Step 3: Cross multiply
    92,330.88x = 138,360.08 × 42,287.52
  4. Step 4: Simplify right side
    92,330.88x = 5,850,904,650.20
  5. Step 5: Solve for x
    x = 5,850,904,650.20/92,330.88
  6. Step 6: Final answer
    x = 63,368.88

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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.