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Finding the Fourth Proportional to 88,983.70, 122,797.49 and 48,697.47

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Solution

The fourth proportional to 88,983.70, 122,797.49 and 48,697.47 is: 67,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,983.70 : 122,797.49 = 48,697.47 : x
  2. Step 2: Convert to fraction form
    88,983.70/122,797.49 = 48,697.47/x
  3. Step 3: Cross multiply
    88,983.70x = 122,797.49 × 48,697.47
  4. Step 4: Simplify right side
    88,983.70x = 5,979,926,841.86
  5. Step 5: Solve for x
    x = 5,979,926,841.86/88,983.70
  6. Step 6: Final answer
    x = 67,202.50

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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.