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Finding the Fourth Proportional to 82,750.10, 124,125.15 and 27,346.10

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Solution

The fourth proportional to 82,750.10, 124,125.15 and 27,346.10 is: 41,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,750.10 : 124,125.15 = 27,346.10 : x
  2. Step 2: Convert to fraction form
    82,750.10/124,125.15 = 27,346.10/x
  3. Step 3: Cross multiply
    82,750.10x = 124,125.15 × 27,346.10
  4. Step 4: Simplify right side
    82,750.10x = 3,394,338,764.42
  5. Step 5: Solve for x
    x = 3,394,338,764.42/82,750.10
  6. Step 6: Final answer
    x = 41,019.15

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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.