Home / 80,638.83-111,288.31-44,832.17

Finding the Fourth Proportional to 80,638.83, 111,288.31 and 44,832.17

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Solution

The fourth proportional to 80,638.83, 111,288.31 and 44,832.17 is: 61,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.83 : 111,288.31 = 44,832.17 : x
  2. Step 2: Convert to fraction form
    80,638.83/111,288.31 = 44,832.17/x
  3. Step 3: Cross multiply
    80,638.83x = 111,288.31 × 44,832.17
  4. Step 4: Simplify right side
    80,638.83x = 4,989,296,432.93
  5. Step 5: Solve for x
    x = 4,989,296,432.93/80,638.83
  6. Step 6: Final answer
    x = 61,872.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.