Home / 71,492.13-98,659.26-39,661.04

Finding the Fourth Proportional to 71,492.13, 98,659.26 and 39,661.04

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Solution

The fourth proportional to 71,492.13, 98,659.26 and 39,661.04 is: 54,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,492.13 : 98,659.26 = 39,661.04 : x
  2. Step 2: Convert to fraction form
    71,492.13/98,659.26 = 39,661.04/x
  3. Step 3: Cross multiply
    71,492.13x = 98,659.26 × 39,661.04
  4. Step 4: Simplify right side
    71,492.13x = 3,912,928,512.66
  5. Step 5: Solve for x
    x = 3,912,928,512.66/71,492.13
  6. Step 6: Final answer
    x = 54,732.29

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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.