Home / 48,747.24-73,125.66-20,278.35

Finding the Fourth Proportional to 48,747.24, 73,125.66 and 20,278.35

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Solution

The fourth proportional to 48,747.24, 73,125.66 and 20,278.35 is: 30,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,747.24 : 73,125.66 = 20,278.35 : x
  2. Step 2: Convert to fraction form
    48,747.24/73,125.66 = 20,278.35/x
  3. Step 3: Cross multiply
    48,747.24x = 73,125.66 × 20,278.35
  4. Step 4: Simplify right side
    48,747.24x = 1,482,867,727.46
  5. Step 5: Solve for x
    x = 1,482,867,727.46/48,747.24
  6. Step 6: Final answer
    x = 30,419.52

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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.