Home / 112,934.24-169,377.60-72,833.12

Finding the Fourth Proportional to 112,934.24, 169,377.60 and 72,833.12

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Solution

The fourth proportional to 112,934.24, 169,377.60 and 72,833.12 is: 109,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,934.24 : 169,377.60 = 72,833.12 : x
  2. Step 2: Convert to fraction form
    112,934.24/169,377.60 = 72,833.12/x
  3. Step 3: Cross multiply
    112,934.24x = 169,377.60 × 72,833.12
  4. Step 4: Simplify right side
    112,934.24x = 12,336,299,066.11
  5. Step 5: Solve for x
    x = 12,336,299,066.11/112,934.24
  6. Step 6: Final answer
    x = 109,234.36

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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.