Home / 56,543.82-78,044.49-32,685.36

Finding the Fourth Proportional to 56,543.82, 78,044.49 and 32,685.36

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Solution

The fourth proportional to 56,543.82, 78,044.49 and 32,685.36 is: 45,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543.82 : 78,044.49 = 32,685.36 : x
  2. Step 2: Convert to fraction form
    56,543.82/78,044.49 = 32,685.36/x
  3. Step 3: Cross multiply
    56,543.82x = 78,044.49 × 32,685.36
  4. Step 4: Simplify right side
    56,543.82x = 2,550,912,251.67
  5. Step 5: Solve for x
    x = 2,550,912,251.67/56,543.82
  6. Step 6: Final answer
    x = 45,113.90

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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.