Home / 71,145.06-98,182.26-42,481.50

Finding the Fourth Proportional to 71,145.06, 98,182.26 and 42,481.50

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Solution

The fourth proportional to 71,145.06, 98,182.26 and 42,481.50 is: 58,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,145.06 : 98,182.26 = 42,481.50 : x
  2. Step 2: Convert to fraction form
    71,145.06/98,182.26 = 42,481.50/x
  3. Step 3: Cross multiply
    71,145.06x = 98,182.26 × 42,481.50
  4. Step 4: Simplify right side
    71,145.06x = 4,170,929,678.19
  5. Step 5: Solve for x
    x = 4,170,929,678.19/71,145.06
  6. Step 6: Final answer
    x = 58,625.71

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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.