Home / 52,691.42-78,986.36-30,484.46

Finding the Fourth Proportional to 52,691.42, 78,986.36 and 30,484.46

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Solution

The fourth proportional to 52,691.42, 78,986.36 and 30,484.46 is: 45,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.42 : 78,986.36 = 30,484.46 : x
  2. Step 2: Convert to fraction form
    52,691.42/78,986.36 = 30,484.46/x
  3. Step 3: Cross multiply
    52,691.42x = 78,986.36 × 30,484.46
  4. Step 4: Simplify right side
    52,691.42x = 2,407,856,531.97
  5. Step 5: Solve for x
    x = 2,407,856,531.97/52,691.42
  6. Step 6: Final answer
    x = 45,697.32

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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.