Home / 71,054.25-98,055.66-39,223.17

Finding the Fourth Proportional to 71,054.25, 98,055.66 and 39,223.17

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Solution

The fourth proportional to 71,054.25, 98,055.66 and 39,223.17 is: 54,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.25 : 98,055.66 = 39,223.17 : x
  2. Step 2: Convert to fraction form
    71,054.25/98,055.66 = 39,223.17/x
  3. Step 3: Cross multiply
    71,054.25x = 98,055.66 × 39,223.17
  4. Step 4: Simplify right side
    71,054.25x = 3,846,053,821.64
  5. Step 5: Solve for x
    x = 3,846,053,821.64/71,054.25
  6. Step 6: Final answer
    x = 54,128.41

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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.