Home / 74,460.62-111,690.71-30,086.85

Finding the Fourth Proportional to 74,460.62, 111,690.71 and 30,086.85

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Solution

The fourth proportional to 74,460.62, 111,690.71 and 30,086.85 is: 45,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.62 : 111,690.71 = 30,086.85 : x
  2. Step 2: Convert to fraction form
    74,460.62/111,690.71 = 30,086.85/x
  3. Step 3: Cross multiply
    74,460.62x = 111,690.71 × 30,086.85
  4. Step 4: Simplify right side
    74,460.62x = 3,360,421,487.73
  5. Step 5: Solve for x
    x = 3,360,421,487.73/74,460.62
  6. Step 6: Final answer
    x = 45,130.19

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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.