Home / 61,437.22-92,168.13-19,327.90

Finding the Fourth Proportional to 61,437.22, 92,168.13 and 19,327.90

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Solution

The fourth proportional to 61,437.22, 92,168.13 and 19,327.90 is: 28,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,437.22 : 92,168.13 = 19,327.90 : x
  2. Step 2: Convert to fraction form
    61,437.22/92,168.13 = 19,327.90/x
  3. Step 3: Cross multiply
    61,437.22x = 92,168.13 × 19,327.90
  4. Step 4: Simplify right side
    61,437.22x = 1,781,416,399.83
  5. Step 5: Solve for x
    x = 1,781,416,399.83/61,437.22
  6. Step 6: Final answer
    x = 28,995.72

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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.