Home / 48,809.30-73,213.92-42,215.90

Finding the Fourth Proportional to 48,809.30, 73,213.92 and 42,215.90

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Solution

The fourth proportional to 48,809.30, 73,213.92 and 42,215.90 is: 63,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.30 : 73,213.92 = 42,215.90 : x
  2. Step 2: Convert to fraction form
    48,809.30/73,213.92 = 42,215.90/x
  3. Step 3: Cross multiply
    48,809.30x = 73,213.92 × 42,215.90
  4. Step 4: Simplify right side
    48,809.30x = 3,090,791,525.33
  5. Step 5: Solve for x
    x = 3,090,791,525.33/48,809.30
  6. Step 6: Final answer
    x = 63,323.82

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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.