Home / 63,029.96-86,974.01-38,488.43

Finding the Fourth Proportional to 63,029.96, 86,974.01 and 38,488.43

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Solution

The fourth proportional to 63,029.96, 86,974.01 and 38,488.43 is: 53,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,029.96 : 86,974.01 = 38,488.43 : x
  2. Step 2: Convert to fraction form
    63,029.96/86,974.01 = 38,488.43/x
  3. Step 3: Cross multiply
    63,029.96x = 86,974.01 × 38,488.43
  4. Step 4: Simplify right side
    63,029.96x = 3,347,493,095.70
  5. Step 5: Solve for x
    x = 3,347,493,095.70/63,029.96
  6. Step 6: Final answer
    x = 53,109.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.