Home / 76,841.28-106,049.40-44,583

Finding the Fourth Proportional to 76,841.28, 106,049.40 and 44,583

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Solution

The fourth proportional to 76,841.28, 106,049.40 and 44,583 is: 61,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841.28 : 106,049.40 = 44,583 : x
  2. Step 2: Convert to fraction form
    76,841.28/106,049.40 = 44,583/x
  3. Step 3: Cross multiply
    76,841.28x = 106,049.40 × 44,583
  4. Step 4: Simplify right side
    76,841.28x = 4,728,000,400.20
  5. Step 5: Solve for x
    x = 4,728,000,400.20/76,841.28
  6. Step 6: Final answer
    x = 61,529.43

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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.