Home / 48,202.56-72,223.20-31,541.76

Finding the Fourth Proportional to 48,202.56, 72,223.20 and 31,541.76

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Solution

The fourth proportional to 48,202.56, 72,223.20 and 31,541.76 is: 47,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,202.56 : 72,223.20 = 31,541.76 : x
  2. Step 2: Convert to fraction form
    48,202.56/72,223.20 = 31,541.76/x
  3. Step 3: Cross multiply
    48,202.56x = 72,223.20 × 31,541.76
  4. Step 4: Simplify right side
    48,202.56x = 2,278,046,840.83
  5. Step 5: Solve for x
    x = 2,278,046,840.83/48,202.56
  6. Step 6: Final answer
    x = 47,259.87

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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.