Home / 84,614.40-126,970.20-32,061.60

Finding the Fourth Proportional to 84,614.40, 126,970.20 and 32,061.60

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Solution

The fourth proportional to 84,614.40, 126,970.20 and 32,061.60 is: 48,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,614.40 : 126,970.20 = 32,061.60 : x
  2. Step 2: Convert to fraction form
    84,614.40/126,970.20 = 32,061.60/x
  3. Step 3: Cross multiply
    84,614.40x = 126,970.20 × 32,061.60
  4. Step 4: Simplify right side
    84,614.40x = 4,070,867,764.32
  5. Step 5: Solve for x
    x = 4,070,867,764.32/84,614.40
  6. Step 6: Final answer
    x = 48,110.82

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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.