Home / 45,856.32-68,781.84-14,689.20

Finding the Fourth Proportional to 45,856.32, 68,781.84 and 14,689.20

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Solution

The fourth proportional to 45,856.32, 68,781.84 and 14,689.20 is: 22,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.32 : 68,781.84 = 14,689.20 : x
  2. Step 2: Convert to fraction form
    45,856.32/68,781.84 = 14,689.20/x
  3. Step 3: Cross multiply
    45,856.32x = 68,781.84 × 14,689.20
  4. Step 4: Simplify right side
    45,856.32x = 1,010,350,204.13
  5. Step 5: Solve for x
    x = 1,010,350,204.13/45,856.32
  6. Step 6: Final answer
    x = 22,032.95

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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.