Home / 71,441.11-98,569.11-42,749.11

Finding the Fourth Proportional to 71,441.11, 98,569.11 and 42,749.11

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Solution

The fourth proportional to 71,441.11, 98,569.11 and 42,749.11 is: 58,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,441.11 : 98,569.11 = 42,749.11 : x
  2. Step 2: Convert to fraction form
    71,441.11/98,569.11 = 42,749.11/x
  3. Step 3: Cross multiply
    71,441.11x = 98,569.11 × 42,749.11
  4. Step 4: Simplify right side
    71,441.11x = 4,213,741,725.99
  5. Step 5: Solve for x
    x = 4,213,741,725.99/71,441.11
  6. Step 6: Final answer
    x = 58,982.03

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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.