Home / 71,447.99-98,597.45-39,616.61

Finding the Fourth Proportional to 71,447.99, 98,597.45 and 39,616.61

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Solution

The fourth proportional to 71,447.99, 98,597.45 and 39,616.61 is: 54,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.99 : 98,597.45 = 39,616.61 : x
  2. Step 2: Convert to fraction form
    71,447.99/98,597.45 = 39,616.61/x
  3. Step 3: Cross multiply
    71,447.99x = 98,597.45 × 39,616.61
  4. Step 4: Simplify right side
    71,447.99x = 3,906,096,329.70
  5. Step 5: Solve for x
    x = 3,906,096,329.70/71,447.99
  6. Step 6: Final answer
    x = 54,670.49

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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.