Home / 75,085.60-112,665.84-33,521.44

Finding the Fourth Proportional to 75,085.60, 112,665.84 and 33,521.44

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Solution

The fourth proportional to 75,085.60, 112,665.84 and 33,521.44 is: 50,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.60 : 112,665.84 = 33,521.44 : x
  2. Step 2: Convert to fraction form
    75,085.60/112,665.84 = 33,521.44/x
  3. Step 3: Cross multiply
    75,085.60x = 112,665.84 × 33,521.44
  4. Step 4: Simplify right side
    75,085.60x = 3,776,721,195.61
  5. Step 5: Solve for x
    x = 3,776,721,195.61/75,085.60
  6. Step 6: Final answer
    x = 50,298.87

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1.5x scale

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.