Home / 75,002.57-112,503.97-30,629.33

Finding the Fourth Proportional to 75,002.57, 112,503.97 and 30,629.33

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Solution

The fourth proportional to 75,002.57, 112,503.97 and 30,629.33 is: 45,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.57 : 112,503.97 = 30,629.33 : x
  2. Step 2: Convert to fraction form
    75,002.57/112,503.97 = 30,629.33/x
  3. Step 3: Cross multiply
    75,002.57x = 112,503.97 × 30,629.33
  4. Step 4: Simplify right side
    75,002.57x = 3,445,920,507.77
  5. Step 5: Solve for x
    x = 3,445,920,507.77/75,002.57
  6. Step 6: Final answer
    x = 45,944.03

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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.