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Finding the Fourth Proportional to 88,713, 133,109.08 and 48,198.80

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Solution

The fourth proportional to 88,713, 133,109.08 and 48,198.80 is: 72,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,713 : 133,109.08 = 48,198.80 : x
  2. Step 2: Convert to fraction form
    88,713/133,109.08 = 48,198.80/x
  3. Step 3: Cross multiply
    88,713x = 133,109.08 × 48,198.80
  4. Step 4: Simplify right side
    88,713x = 6,415,697,925.10
  5. Step 5: Solve for x
    x = 6,415,697,925.10/88,713
  6. Step 6: Final answer
    x = 72,319.70

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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.