Home / 71,705.16-98,952.84-39,874.23

Finding the Fourth Proportional to 71,705.16, 98,952.84 and 39,874.23

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Solution

The fourth proportional to 71,705.16, 98,952.84 and 39,874.23 is: 55,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,705.16 : 98,952.84 = 39,874.23 : x
  2. Step 2: Convert to fraction form
    71,705.16/98,952.84 = 39,874.23/x
  3. Step 3: Cross multiply
    71,705.16x = 98,952.84 × 39,874.23
  4. Step 4: Simplify right side
    71,705.16x = 3,945,668,301.31
  5. Step 5: Solve for x
    x = 3,945,668,301.31/71,705.16
  6. Step 6: Final answer
    x = 55,026.28

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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.