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Finding the Fourth Proportional to 92,290.70, 127,358.52 and 52,003.73

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Solution

The fourth proportional to 92,290.70, 127,358.52 and 52,003.73 is: 71,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,290.70 : 127,358.52 = 52,003.73 : x
  2. Step 2: Convert to fraction form
    92,290.70/127,358.52 = 52,003.73/x
  3. Step 3: Cross multiply
    92,290.70x = 127,358.52 × 52,003.73
  4. Step 4: Simplify right side
    92,290.70x = 6,623,118,087.28
  5. Step 5: Solve for x
    x = 6,623,118,087.28/92,290.70
  6. Step 6: Final answer
    x = 71,763.66

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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.