Home / 83,315.03-114,974.44-45,074.68

Finding the Fourth Proportional to 83,315.03, 114,974.44 and 45,074.68

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Solution

The fourth proportional to 83,315.03, 114,974.44 and 45,074.68 is: 62,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,315.03 : 114,974.44 = 45,074.68 : x
  2. Step 2: Convert to fraction form
    83,315.03/114,974.44 = 45,074.68/x
  3. Step 3: Cross multiply
    83,315.03x = 114,974.44 × 45,074.68
  4. Step 4: Simplify right side
    83,315.03x = 5,182,435,691.06
  5. Step 5: Solve for x
    x = 5,182,435,691.06/83,315.03
  6. Step 6: Final answer
    x = 62,202.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.