Home / 82,277.85-123,402.67-26,105.45

Finding the Fourth Proportional to 82,277.85, 123,402.67 and 26,105.45

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Solution

The fourth proportional to 82,277.85, 123,402.67 and 26,105.45 is: 39,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,277.85 : 123,402.67 = 26,105.45 : x
  2. Step 2: Convert to fraction form
    82,277.85/123,402.67 = 26,105.45/x
  3. Step 3: Cross multiply
    82,277.85x = 123,402.67 × 26,105.45
  4. Step 4: Simplify right side
    82,277.85x = 3,221,481,549.27
  5. Step 5: Solve for x
    x = 3,221,481,549.27/82,277.85
  6. Step 6: Final answer
    x = 39,153.69

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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.