Home / 71,085.45-98,097.27-39,253.65

Finding the Fourth Proportional to 71,085.45, 98,097.27 and 39,253.65

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Solution

The fourth proportional to 71,085.45, 98,097.27 and 39,253.65 is: 54,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.45 : 98,097.27 = 39,253.65 : x
  2. Step 2: Convert to fraction form
    71,085.45/98,097.27 = 39,253.65/x
  3. Step 3: Cross multiply
    71,085.45x = 98,097.27 × 39,253.65
  4. Step 4: Simplify right side
    71,085.45x = 3,850,675,902.54
  5. Step 5: Solve for x
    x = 3,850,675,902.54/71,085.45
  6. Step 6: Final answer
    x = 54,169.68

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1.5x scale

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.