Home / 74,708.03-112,057.17-30,338.66

Finding the Fourth Proportional to 74,708.03, 112,057.17 and 30,338.66

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Solution

The fourth proportional to 74,708.03, 112,057.17 and 30,338.66 is: 45,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.03 : 112,057.17 = 30,338.66 : x
  2. Step 2: Convert to fraction form
    74,708.03/112,057.17 = 30,338.66/x
  3. Step 3: Cross multiply
    74,708.03x = 112,057.17 × 30,338.66
  4. Step 4: Simplify right side
    74,708.03x = 3,399,663,820.91
  5. Step 5: Solve for x
    x = 3,399,663,820.91/74,708.03
  6. Step 6: Final answer
    x = 45,506.01

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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.