Home / 66,744.24-100,061.47-31,187.97

Finding the Fourth Proportional to 66,744.24, 100,061.47 and 31,187.97

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Solution

The fourth proportional to 66,744.24, 100,061.47 and 31,187.97 is: 46,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744.24 : 100,061.47 = 31,187.97 : x
  2. Step 2: Convert to fraction form
    66,744.24/100,061.47 = 31,187.97/x
  3. Step 3: Cross multiply
    66,744.24x = 100,061.47 × 31,187.97
  4. Step 4: Simplify right side
    66,744.24x = 3,120,714,124.52
  5. Step 5: Solve for x
    x = 3,120,714,124.52/66,744.24
  6. Step 6: Final answer
    x = 46,756.31

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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.