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Finding the Fourth Proportional to 64,376.42, 88,836.98 and 35,697.24

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Solution

The fourth proportional to 64,376.42, 88,836.98 and 35,697.24 is: 49,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.42 : 88,836.98 = 35,697.24 : x
  2. Step 2: Convert to fraction form
    64,376.42/88,836.98 = 35,697.24/x
  3. Step 3: Cross multiply
    64,376.42x = 88,836.98 × 35,697.24
  4. Step 4: Simplify right side
    64,376.42x = 3,171,234,817.45
  5. Step 5: Solve for x
    x = 3,171,234,817.45/64,376.42
  6. Step 6: Final answer
    x = 49,260.82

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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.