Home / 71,585.10-98,790.72-39,754.14

Finding the Fourth Proportional to 71,585.10, 98,790.72 and 39,754.14

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Solution

The fourth proportional to 71,585.10, 98,790.72 and 39,754.14 is: 54,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.10 : 98,790.72 = 39,754.14 : x
  2. Step 2: Convert to fraction form
    71,585.10/98,790.72 = 39,754.14/x
  3. Step 3: Cross multiply
    71,585.10x = 98,790.72 × 39,754.14
  4. Step 4: Simplify right side
    71,585.10x = 3,927,340,113.58
  5. Step 5: Solve for x
    x = 3,927,340,113.58/71,585.10
  6. Step 6: Final answer
    x = 54,862.54

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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.