Home / 74,211.12-111,321.81-29,837.88

Finding the Fourth Proportional to 74,211.12, 111,321.81 and 29,837.88

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Solution

The fourth proportional to 74,211.12, 111,321.81 and 29,837.88 is: 44,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.12 : 111,321.81 = 29,837.88 : x
  2. Step 2: Convert to fraction form
    74,211.12/111,321.81 = 29,837.88/x
  3. Step 3: Cross multiply
    74,211.12x = 111,321.81 × 29,837.88
  4. Step 4: Simplify right side
    74,211.12x = 3,321,606,808.16
  5. Step 5: Solve for x
    x = 3,321,606,808.16/74,211.12
  6. Step 6: Final answer
    x = 44,758.88

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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.