Home / 48,648.10-72,972.15-31,152.10

Finding the Fourth Proportional to 48,648.10, 72,972.15 and 31,152.10

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Solution

The fourth proportional to 48,648.10, 72,972.15 and 31,152.10 is: 46,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.10 : 72,972.15 = 31,152.10 : x
  2. Step 2: Convert to fraction form
    48,648.10/72,972.15 = 31,152.10/x
  3. Step 3: Cross multiply
    48,648.10x = 72,972.15 × 31,152.10
  4. Step 4: Simplify right side
    48,648.10x = 2,273,235,714.02
  5. Step 5: Solve for x
    x = 2,273,235,714.02/48,648.10
  6. Step 6: Final answer
    x = 46,728.15

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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.