Home / 95,461.20-142,851.60-83,116.80

Finding the Fourth Proportional to 95,461.20, 142,851.60 and 83,116.80

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Solution

The fourth proportional to 95,461.20, 142,851.60 and 83,116.80 is: 124,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,461.20 : 142,851.60 = 83,116.80 : x
  2. Step 2: Convert to fraction form
    95,461.20/142,851.60 = 83,116.80/x
  3. Step 3: Cross multiply
    95,461.20x = 142,851.60 × 83,116.80
  4. Step 4: Simplify right side
    95,461.20x = 11,873,367,866.88
  5. Step 5: Solve for x
    x = 11,873,367,866.88/95,461.20
  6. Step 6: Final answer
    x = 124,378.99

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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.