Home / 83,031.35-124,449.48-38,564.37

Finding the Fourth Proportional to 83,031.35, 124,449.48 and 38,564.37

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Solution

The fourth proportional to 83,031.35, 124,449.48 and 38,564.37 is: 57,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,031.35 : 124,449.48 = 38,564.37 : x
  2. Step 2: Convert to fraction form
    83,031.35/124,449.48 = 38,564.37/x
  3. Step 3: Cross multiply
    83,031.35x = 124,449.48 × 38,564.37
  4. Step 4: Simplify right side
    83,031.35x = 4,799,315,793.03
  5. Step 5: Solve for x
    x = 4,799,315,793.03/83,031.35
  6. Step 6: Final answer
    x = 57,801.25

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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.