Home / 84,456.08-126,648.48-25,300.16

Finding the Fourth Proportional to 84,456.08, 126,648.48 and 25,300.16

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Solution

The fourth proportional to 84,456.08, 126,648.48 and 25,300.16 is: 37,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,456.08 : 126,648.48 = 25,300.16 : x
  2. Step 2: Convert to fraction form
    84,456.08/126,648.48 = 25,300.16/x
  3. Step 3: Cross multiply
    84,456.08x = 126,648.48 × 25,300.16
  4. Step 4: Simplify right side
    84,456.08x = 3,204,226,807.76
  5. Step 5: Solve for x
    x = 3,204,226,807.76/84,456.08
  6. Step 6: Final answer
    x = 37,939.56

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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.