Home / 83,345.85-125,031.74-27,172.91

Finding the Fourth Proportional to 83,345.85, 125,031.74 and 27,172.91

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Solution

The fourth proportional to 83,345.85, 125,031.74 and 27,172.91 is: 40,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.85 : 125,031.74 = 27,172.91 : x
  2. Step 2: Convert to fraction form
    83,345.85/125,031.74 = 27,172.91/x
  3. Step 3: Cross multiply
    83,345.85x = 125,031.74 × 27,172.91
  4. Step 4: Simplify right side
    83,345.85x = 3,397,476,394.88
  5. Step 5: Solve for x
    x = 3,397,476,394.88/83,345.85
  6. Step 6: Final answer
    x = 40,763.59

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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.