Home / 74,743.65-112,145.72-30,358.89

Finding the Fourth Proportional to 74,743.65, 112,145.72 and 30,358.89

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Solution

The fourth proportional to 74,743.65, 112,145.72 and 30,358.89 is: 45,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.65 : 112,145.72 = 30,358.89 : x
  2. Step 2: Convert to fraction form
    74,743.65/112,145.72 = 30,358.89/x
  3. Step 3: Cross multiply
    74,743.65x = 112,145.72 × 30,358.89
  4. Step 4: Simplify right side
    74,743.65x = 3,404,619,425.66
  5. Step 5: Solve for x
    x = 3,404,619,425.66/74,743.65
  6. Step 6: Final answer
    x = 45,550.62

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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.