Home / 48,420.06-72,634.28-13,359.72

Finding the Fourth Proportional to 48,420.06, 72,634.28 and 13,359.72

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Solution

The fourth proportional to 48,420.06, 72,634.28 and 13,359.72 is: 20,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.06 : 72,634.28 = 13,359.72 : x
  2. Step 2: Convert to fraction form
    48,420.06/72,634.28 = 13,359.72/x
  3. Step 3: Cross multiply
    48,420.06x = 72,634.28 × 13,359.72
  4. Step 4: Simplify right side
    48,420.06x = 970,373,429.27
  5. Step 5: Solve for x
    x = 970,373,429.27/48,420.06
  6. Step 6: Final answer
    x = 20,040.73

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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.