Home / 57,678.78-86,517.63-26,099.58

Finding the Fourth Proportional to 57,678.78, 86,517.63 and 26,099.58

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Solution

The fourth proportional to 57,678.78, 86,517.63 and 26,099.58 is: 39,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.78 : 86,517.63 = 26,099.58 : x
  2. Step 2: Convert to fraction form
    57,678.78/86,517.63 = 26,099.58/x
  3. Step 3: Cross multiply
    57,678.78x = 86,517.63 × 26,099.58
  4. Step 4: Simplify right side
    57,678.78x = 2,258,073,805.60
  5. Step 5: Solve for x
    x = 2,258,073,805.60/57,678.78
  6. Step 6: Final answer
    x = 39,149.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.