Home / 71,629.10-98,849.93-39,363.48

Finding the Fourth Proportional to 71,629.10, 98,849.93 and 39,363.48

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Solution

The fourth proportional to 71,629.10, 98,849.93 and 39,363.48 is: 54,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.10 : 98,849.93 = 39,363.48 : x
  2. Step 2: Convert to fraction form
    71,629.10/98,849.93 = 39,363.48/x
  3. Step 3: Cross multiply
    71,629.10x = 98,849.93 × 39,363.48
  4. Step 4: Simplify right side
    71,629.10x = 3,891,077,242.56
  5. Step 5: Solve for x
    x = 3,891,077,242.56/71,629.10
  6. Step 6: Final answer
    x = 54,322.58

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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.