Home / 71,306.46-98,400.69-39,039.66

Finding the Fourth Proportional to 71,306.46, 98,400.69 and 39,039.66

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Solution

The fourth proportional to 71,306.46, 98,400.69 and 39,039.66 is: 53,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.46 : 98,400.69 = 39,039.66 : x
  2. Step 2: Convert to fraction form
    71,306.46/98,400.69 = 39,039.66/x
  3. Step 3: Cross multiply
    71,306.46x = 98,400.69 × 39,039.66
  4. Step 4: Simplify right side
    71,306.46x = 3,841,529,481.37
  5. Step 5: Solve for x
    x = 3,841,529,481.37/71,306.46
  6. Step 6: Final answer
    x = 53,873.51

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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.