Home / 49,251.25-73,876.88-12,315.25

Finding the Fourth Proportional to 49,251.25, 73,876.88 and 12,315.25

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Solution

The fourth proportional to 49,251.25, 73,876.88 and 12,315.25 is: 18,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,251.25 : 73,876.88 = 12,315.25 : x
  2. Step 2: Convert to fraction form
    49,251.25/73,876.88 = 12,315.25/x
  3. Step 3: Cross multiply
    49,251.25x = 73,876.88 × 12,315.25
  4. Step 4: Simplify right side
    49,251.25x = 909,812,246.42
  5. Step 5: Solve for x
    x = 909,812,246.42/49,251.25
  6. Step 6: Final answer
    x = 18,472.88

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1.5x scale

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.