Home / 74,818.14-112,278.03-30,452.96

Finding the Fourth Proportional to 74,818.14, 112,278.03 and 30,452.96

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Solution

The fourth proportional to 74,818.14, 112,278.03 and 30,452.96 is: 45,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.14 : 112,278.03 = 30,452.96 : x
  2. Step 2: Convert to fraction form
    74,818.14/112,278.03 = 30,452.96/x
  3. Step 3: Cross multiply
    74,818.14x = 112,278.03 × 30,452.96
  4. Step 4: Simplify right side
    74,818.14x = 3,419,197,795.08
  5. Step 5: Solve for x
    x = 3,419,197,795.08/74,818.14
  6. Step 6: Final answer
    x = 45,700.12

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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.