Home / 83,676.55-125,518.85-27,515.42

Finding the Fourth Proportional to 83,676.55, 125,518.85 and 27,515.42

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Solution

The fourth proportional to 83,676.55, 125,518.85 and 27,515.42 is: 41,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.55 : 125,518.85 = 27,515.42 : x
  2. Step 2: Convert to fraction form
    83,676.55/125,518.85 = 27,515.42/x
  3. Step 3: Cross multiply
    83,676.55x = 125,518.85 × 27,515.42
  4. Step 4: Simplify right side
    83,676.55x = 3,453,703,316.86
  5. Step 5: Solve for x
    x = 3,453,703,316.86/83,676.55
  6. Step 6: Final answer
    x = 41,274.45

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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.