Home / 49,154.80-73,732.20-28,086.70

Finding the Fourth Proportional to 49,154.80, 73,732.20 and 28,086.70

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Solution

The fourth proportional to 49,154.80, 73,732.20 and 28,086.70 is: 42,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,154.80 : 73,732.20 = 28,086.70 : x
  2. Step 2: Convert to fraction form
    49,154.80/73,732.20 = 28,086.70/x
  3. Step 3: Cross multiply
    49,154.80x = 73,732.20 × 28,086.70
  4. Step 4: Simplify right side
    49,154.80x = 2,070,894,181.74
  5. Step 5: Solve for x
    x = 2,070,894,181.74/49,154.80
  6. Step 6: Final answer
    x = 42,130.05

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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.