Home / 74,514.07-111,820.35-35,082.46

Finding the Fourth Proportional to 74,514.07, 111,820.35 and 35,082.46

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Solution

The fourth proportional to 74,514.07, 111,820.35 and 35,082.46 is: 52,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.07 : 111,820.35 = 35,082.46 : x
  2. Step 2: Convert to fraction form
    74,514.07/111,820.35 = 35,082.46/x
  3. Step 3: Cross multiply
    74,514.07x = 111,820.35 × 35,082.46
  4. Step 4: Simplify right side
    74,514.07x = 3,922,932,868.35
  5. Step 5: Solve for x
    x = 3,922,932,868.35/74,514.07
  6. Step 6: Final answer
    x = 52,646.87

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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.