Home / 92,402.32-127,515.12-49,960.75

Finding the Fourth Proportional to 92,402.32, 127,515.12 and 49,960.75

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Solution

The fourth proportional to 92,402.32, 127,515.12 and 49,960.75 is: 68,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,402.32 : 127,515.12 = 49,960.75 : x
  2. Step 2: Convert to fraction form
    92,402.32/127,515.12 = 49,960.75/x
  3. Step 3: Cross multiply
    92,402.32x = 127,515.12 × 49,960.75
  4. Step 4: Simplify right side
    92,402.32x = 6,370,751,031.54
  5. Step 5: Solve for x
    x = 6,370,751,031.54/92,402.32
  6. Step 6: Final answer
    x = 68,945.79

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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.