Home / 63,167.10-94,734.15-18,781.90

Finding the Fourth Proportional to 63,167.10, 94,734.15 and 18,781.90

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Solution

The fourth proportional to 63,167.10, 94,734.15 and 18,781.90 is: 28,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,167.10 : 94,734.15 = 18,781.90 : x
  2. Step 2: Convert to fraction form
    63,167.10/94,734.15 = 18,781.90/x
  3. Step 3: Cross multiply
    63,167.10x = 94,734.15 × 18,781.90
  4. Step 4: Simplify right side
    63,167.10x = 1,779,287,331.89
  5. Step 5: Solve for x
    x = 1,779,287,331.89/63,167.10
  6. Step 6: Final answer
    x = 28,167.94

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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.