Home / 84,296.40-126,451.12-25,127.52

Finding the Fourth Proportional to 84,296.40, 126,451.12 and 25,127.52

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Solution

The fourth proportional to 84,296.40, 126,451.12 and 25,127.52 is: 37,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296.40 : 126,451.12 = 25,127.52 : x
  2. Step 2: Convert to fraction form
    84,296.40/126,451.12 = 25,127.52/x
  3. Step 3: Cross multiply
    84,296.40x = 126,451.12 × 25,127.52
  4. Step 4: Simplify right side
    84,296.40x = 3,177,403,046.82
  5. Step 5: Solve for x
    x = 3,177,403,046.82/84,296.40
  6. Step 6: Final answer
    x = 37,693.22

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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.