Home / 97,342.20-146,061.90-55,254.60

Finding the Fourth Proportional to 97,342.20, 146,061.90 and 55,254.60

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Solution

The fourth proportional to 97,342.20, 146,061.90 and 55,254.60 is: 82,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.20 : 146,061.90 = 55,254.60 : x
  2. Step 2: Convert to fraction form
    97,342.20/146,061.90 = 55,254.60/x
  3. Step 3: Cross multiply
    97,342.20x = 146,061.90 × 55,254.60
  4. Step 4: Simplify right side
    97,342.20x = 8,070,591,859.74
  5. Step 5: Solve for x
    x = 8,070,591,859.74/97,342.20
  6. Step 6: Final answer
    x = 82,909.49

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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.