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Finding the Fourth Proportional to 63,373.68, 87,454.62 and 35,078.76

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Solution

The fourth proportional to 63,373.68, 87,454.62 and 35,078.76 is: 48,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,373.68 : 87,454.62 = 35,078.76 : x
  2. Step 2: Convert to fraction form
    63,373.68/87,454.62 = 35,078.76/x
  3. Step 3: Cross multiply
    63,373.68x = 87,454.62 × 35,078.76
  4. Step 4: Simplify right side
    63,373.68x = 3,067,799,625.87
  5. Step 5: Solve for x
    x = 3,067,799,625.87/63,373.68
  6. Step 6: Final answer
    x = 48,408.10

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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.