Home / 75,252.91-112,870.14-43,680.17

Finding the Fourth Proportional to 75,252.91, 112,870.14 and 43,680.17

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Solution

The fourth proportional to 75,252.91, 112,870.14 and 43,680.17 is: 65,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,252.91 : 112,870.14 = 43,680.17 : x
  2. Step 2: Convert to fraction form
    75,252.91/112,870.14 = 43,680.17/x
  3. Step 3: Cross multiply
    75,252.91x = 112,870.14 × 43,680.17
  4. Step 4: Simplify right side
    75,252.91x = 4,930,186,903.12
  5. Step 5: Solve for x
    x = 4,930,186,903.12/75,252.91
  6. Step 6: Final answer
    x = 65,514.90

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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.