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Finding the Fourth Proportional to 92,706.90, 127,934.82 and 50,265.12

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Solution

The fourth proportional to 92,706.90, 127,934.82 and 50,265.12 is: 69,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.90 : 127,934.82 = 50,265.12 : x
  2. Step 2: Convert to fraction form
    92,706.90/127,934.82 = 50,265.12/x
  3. Step 3: Cross multiply
    92,706.90x = 127,934.82 × 50,265.12
  4. Step 4: Simplify right side
    92,706.90x = 6,430,659,079.48
  5. Step 5: Solve for x
    x = 6,430,659,079.48/92,706.90
  6. Step 6: Final answer
    x = 69,365.48

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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.