Home / 83,488.44-125,232.48-21,158.76

Finding the Fourth Proportional to 83,488.44, 125,232.48 and 21,158.76

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Solution

The fourth proportional to 83,488.44, 125,232.48 and 21,158.76 is: 31,738.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,488.44 : 125,232.48 = 21,158.76 : x
  2. Step 2: Convert to fraction form
    83,488.44/125,232.48 = 21,158.76/x
  3. Step 3: Cross multiply
    83,488.44x = 125,232.48 × 21,158.76
  4. Step 4: Simplify right side
    83,488.44x = 2,649,763,988.52
  5. Step 5: Solve for x
    x = 2,649,763,988.52/83,488.44
  6. Step 6: Final answer
    x = 31,738.09

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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.