Home / 71,371.97-98,497.45-39,106.65

Finding the Fourth Proportional to 71,371.97, 98,497.45 and 39,106.65

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Solution

The fourth proportional to 71,371.97, 98,497.45 and 39,106.65 is: 53,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.97 : 98,497.45 = 39,106.65 : x
  2. Step 2: Convert to fraction form
    71,371.97/98,497.45 = 39,106.65/x
  3. Step 3: Cross multiply
    71,371.97x = 98,497.45 × 39,106.65
  4. Step 4: Simplify right side
    71,371.97x = 3,851,905,721.29
  5. Step 5: Solve for x
    x = 3,851,905,721.29/71,371.97
  6. Step 6: Final answer
    x = 53,969.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.