Home / 92,747.78-127,992.66-50,306.30

Finding the Fourth Proportional to 92,747.78, 127,992.66 and 50,306.30

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Solution

The fourth proportional to 92,747.78, 127,992.66 and 50,306.30 is: 69,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,747.78 : 127,992.66 = 50,306.30 : x
  2. Step 2: Convert to fraction form
    92,747.78/127,992.66 = 50,306.30/x
  3. Step 3: Cross multiply
    92,747.78x = 127,992.66 × 50,306.30
  4. Step 4: Simplify right side
    92,747.78x = 6,438,837,151.76
  5. Step 5: Solve for x
    x = 6,438,837,151.76/92,747.78
  6. Step 6: Final answer
    x = 69,423.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.