Home / 62,580.20-86,388.54-39,949.08

Finding the Fourth Proportional to 62,580.20, 86,388.54 and 39,949.08

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Solution

The fourth proportional to 62,580.20, 86,388.54 and 39,949.08 is: 55,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,580.20 : 86,388.54 = 39,949.08 : x
  2. Step 2: Convert to fraction form
    62,580.20/86,388.54 = 39,949.08/x
  3. Step 3: Cross multiply
    62,580.20x = 86,388.54 × 39,949.08
  4. Step 4: Simplify right side
    62,580.20x = 3,451,142,695.54
  5. Step 5: Solve for x
    x = 3,451,142,695.54/62,580.20
  6. Step 6: Final answer
    x = 55,147.52

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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.