Home / 67,013.93-100,505.57-40,003.89

Finding the Fourth Proportional to 67,013.93, 100,505.57 and 40,003.89

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Solution

The fourth proportional to 67,013.93, 100,505.57 and 40,003.89 is: 59,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,013.93 : 100,505.57 = 40,003.89 : x
  2. Step 2: Convert to fraction form
    67,013.93/100,505.57 = 40,003.89/x
  3. Step 3: Cross multiply
    67,013.93x = 100,505.57 × 40,003.89
  4. Step 4: Simplify right side
    67,013.93x = 4,020,613,566.65
  5. Step 5: Solve for x
    x = 4,020,613,566.65/67,013.93
  6. Step 6: Final answer
    x = 59,996.69

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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.