Home / 42,461.22-63,691.76-11,296.47

Finding the Fourth Proportional to 42,461.22, 63,691.76 and 11,296.47

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Solution

The fourth proportional to 42,461.22, 63,691.76 and 11,296.47 is: 16,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,461.22 : 63,691.76 = 11,296.47 : x
  2. Step 2: Convert to fraction form
    42,461.22/63,691.76 = 11,296.47/x
  3. Step 3: Cross multiply
    42,461.22x = 63,691.76 × 11,296.47
  4. Step 4: Simplify right side
    42,461.22x = 719,491,999.60
  5. Step 5: Solve for x
    x = 719,491,999.60/42,461.22
  6. Step 6: Final answer
    x = 16,944.69

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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.