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Finding the Fourth Proportional to 63,779.88, 88,010.64 and 35,487.12

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Solution

The fourth proportional to 63,779.88, 88,010.64 and 35,487.12 is: 48,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.88 : 88,010.64 = 35,487.12 : x
  2. Step 2: Convert to fraction form
    63,779.88/88,010.64 = 35,487.12/x
  3. Step 3: Cross multiply
    63,779.88x = 88,010.64 × 35,487.12
  4. Step 4: Simplify right side
    63,779.88x = 3,123,244,142.96
  5. Step 5: Solve for x
    x = 3,123,244,142.96/63,779.88
  6. Step 6: Final answer
    x = 48,969.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.