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Finding the Fourth Proportional to 63,374.10, 95,066.10 and 28,317.30

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Solution

The fourth proportional to 63,374.10, 95,066.10 and 28,317.30 is: 42,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.10 : 95,066.10 = 28,317.30 : x
  2. Step 2: Convert to fraction form
    63,374.10/95,066.10 = 28,317.30/x
  3. Step 3: Cross multiply
    63,374.10x = 95,066.10 × 28,317.30
  4. Step 4: Simplify right side
    63,374.10x = 2,692,015,273.53
  5. Step 5: Solve for x
    x = 2,692,015,273.53/63,374.10
  6. Step 6: Final answer
    x = 42,478.16

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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.