Home / 83,844.70-125,779.56-27,690.76

Finding the Fourth Proportional to 83,844.70, 125,779.56 and 27,690.76

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Solution

The fourth proportional to 83,844.70, 125,779.56 and 27,690.76 is: 41,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,844.70 : 125,779.56 = 27,690.76 : x
  2. Step 2: Convert to fraction form
    83,844.70/125,779.56 = 27,690.76/x
  3. Step 3: Cross multiply
    83,844.70x = 125,779.56 × 27,690.76
  4. Step 4: Simplify right side
    83,844.70x = 3,482,931,608.87
  5. Step 5: Solve for x
    x = 3,482,931,608.87/83,844.70
  6. Step 6: Final answer
    x = 41,540.27

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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.