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Finding the Fourth Proportional to 75,003.97, 112,506.07 and 30,630.73

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Solution

The fourth proportional to 75,003.97, 112,506.07 and 30,630.73 is: 45,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.97 : 112,506.07 = 30,630.73 : x
  2. Step 2: Convert to fraction form
    75,003.97/112,506.07 = 30,630.73/x
  3. Step 3: Cross multiply
    75,003.97x = 112,506.07 × 30,630.73
  4. Step 4: Simplify right side
    75,003.97x = 3,446,142,733.98
  5. Step 5: Solve for x
    x = 3,446,142,733.98/75,003.97
  6. Step 6: Final answer
    x = 45,946.14

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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.