Home / 48,947.40-73,421.10-45,642.60

Finding the Fourth Proportional to 48,947.40, 73,421.10 and 45,642.60

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Solution

The fourth proportional to 48,947.40, 73,421.10 and 45,642.60 is: 68,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,947.40 : 73,421.10 = 45,642.60 : x
  2. Step 2: Convert to fraction form
    48,947.40/73,421.10 = 45,642.60/x
  3. Step 3: Cross multiply
    48,947.40x = 73,421.10 × 45,642.60
  4. Step 4: Simplify right side
    48,947.40x = 3,351,129,898.86
  5. Step 5: Solve for x
    x = 3,351,129,898.86/48,947.40
  6. Step 6: Final answer
    x = 68,463.90

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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.