Home / 48,079.72-72,156.78-31,435.24

Finding the Fourth Proportional to 48,079.72, 72,156.78 and 31,435.24

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Solution

The fourth proportional to 48,079.72, 72,156.78 and 31,435.24 is: 47,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.72 : 72,156.78 = 31,435.24 : x
  2. Step 2: Convert to fraction form
    48,079.72/72,156.78 = 31,435.24/x
  3. Step 3: Cross multiply
    48,079.72x = 72,156.78 × 31,435.24
  4. Step 4: Simplify right side
    48,079.72x = 2,268,265,696.93
  5. Step 5: Solve for x
    x = 2,268,265,696.93/48,079.72
  6. Step 6: Final answer
    x = 47,177.18

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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.