Home / 83,609.19-125,454.80-39,239.55

Finding the Fourth Proportional to 83,609.19, 125,454.80 and 39,239.55

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Solution

The fourth proportional to 83,609.19, 125,454.80 and 39,239.55 is: 58,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609.19 : 125,454.80 = 39,239.55 : x
  2. Step 2: Convert to fraction form
    83,609.19/125,454.80 = 39,239.55/x
  3. Step 3: Cross multiply
    83,609.19x = 125,454.80 × 39,239.55
  4. Step 4: Simplify right side
    83,609.19x = 4,922,789,897.34
  5. Step 5: Solve for x
    x = 4,922,789,897.34/83,609.19
  6. Step 6: Final answer
    x = 58,878.57

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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.