Home / 84,521.92-126,803.94-25,358.68

Finding the Fourth Proportional to 84,521.92, 126,803.94 and 25,358.68

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Solution

The fourth proportional to 84,521.92, 126,803.94 and 25,358.68 is: 38,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521.92 : 126,803.94 = 25,358.68 : x
  2. Step 2: Convert to fraction form
    84,521.92/126,803.94 = 25,358.68/x
  3. Step 3: Cross multiply
    84,521.92x = 126,803.94 × 25,358.68
  4. Step 4: Simplify right side
    84,521.92x = 3,215,580,537.20
  5. Step 5: Solve for x
    x = 3,215,580,537.20/84,521.92
  6. Step 6: Final answer
    x = 38,044.34

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1.5x scale

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.