Home / 74,053.17-111,081.86-29,072.65

Finding the Fourth Proportional to 74,053.17, 111,081.86 and 29,072.65

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Solution

The fourth proportional to 74,053.17, 111,081.86 and 29,072.65 is: 43,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,053.17 : 111,081.86 = 29,072.65 : x
  2. Step 2: Convert to fraction form
    74,053.17/111,081.86 = 29,072.65/x
  3. Step 3: Cross multiply
    74,053.17x = 111,081.86 × 29,072.65
  4. Step 4: Simplify right side
    74,053.17x = 3,229,444,037.13
  5. Step 5: Solve for x
    x = 3,229,444,037.13/74,053.17
  6. Step 6: Final answer
    x = 43,609.80

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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.