Home / 67,015.65-100,407.24-40,665.03

Finding the Fourth Proportional to 67,015.65, 100,407.24 and 40,665.03

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Solution

The fourth proportional to 67,015.65, 100,407.24 and 40,665.03 is: 60,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.65 : 100,407.24 = 40,665.03 : x
  2. Step 2: Convert to fraction form
    67,015.65/100,407.24 = 40,665.03/x
  3. Step 3: Cross multiply
    67,015.65x = 100,407.24 × 40,665.03
  4. Step 4: Simplify right side
    67,015.65x = 4,083,063,426.82
  5. Step 5: Solve for x
    x = 4,083,063,426.82/67,015.65
  6. Step 6: Final answer
    x = 60,927.01

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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.