Home / 80,733.11-111,442.69-60,648.24

Finding the Fourth Proportional to 80,733.11, 111,442.69 and 60,648.24

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Solution

The fourth proportional to 80,733.11, 111,442.69 and 60,648.24 is: 83,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,733.11 : 111,442.69 = 60,648.24 : x
  2. Step 2: Convert to fraction form
    80,733.11/111,442.69 = 60,648.24/x
  3. Step 3: Cross multiply
    80,733.11x = 111,442.69 × 60,648.24
  4. Step 4: Simplify right side
    80,733.11x = 6,758,803,161.94
  5. Step 5: Solve for x
    x = 6,758,803,161.94/80,733.11
  6. Step 6: Final answer
    x = 83,717.86

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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.