Home / 57,098.60-85,640.32-25,926.68

Finding the Fourth Proportional to 57,098.60, 85,640.32 and 25,926.68

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Solution

The fourth proportional to 57,098.60, 85,640.32 and 25,926.68 is: 38,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.60 : 85,640.32 = 25,926.68 : x
  2. Step 2: Convert to fraction form
    57,098.60/85,640.32 = 25,926.68/x
  3. Step 3: Cross multiply
    57,098.60x = 85,640.32 × 25,926.68
  4. Step 4: Simplify right side
    57,098.60x = 2,220,369,171.74
  5. Step 5: Solve for x
    x = 2,220,369,171.74/57,098.60
  6. Step 6: Final answer
    x = 38,886.58

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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.