Home / 85,359.51-127,975.86-40,943.97

Finding the Fourth Proportional to 85,359.51, 127,975.86 and 40,943.97

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Solution

The fourth proportional to 85,359.51, 127,975.86 and 40,943.97 is: 61,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359.51 : 127,975.86 = 40,943.97 : x
  2. Step 2: Convert to fraction form
    85,359.51/127,975.86 = 40,943.97/x
  3. Step 3: Cross multiply
    85,359.51x = 127,975.86 × 40,943.97
  4. Step 4: Simplify right side
    85,359.51x = 5,239,839,772.56
  5. Step 5: Solve for x
    x = 5,239,839,772.56/85,359.51
  6. Step 6: Final answer
    x = 61,385.54

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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.