Home / 48,229.48-72,256.60-47,179.72

Finding the Fourth Proportional to 48,229.48, 72,256.60 and 47,179.72

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Solution

The fourth proportional to 48,229.48, 72,256.60 and 47,179.72 is: 70,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.48 : 72,256.60 = 47,179.72 : x
  2. Step 2: Convert to fraction form
    48,229.48/72,256.60 = 47,179.72/x
  3. Step 3: Cross multiply
    48,229.48x = 72,256.60 × 47,179.72
  4. Step 4: Simplify right side
    48,229.48x = 3,409,046,156.15
  5. Step 5: Solve for x
    x = 3,409,046,156.15/48,229.48
  6. Step 6: Final answer
    x = 70,683.87

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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.