Home / 57,909.97-86,800.40-26,272.58

Finding the Fourth Proportional to 57,909.97, 86,800.40 and 26,272.58

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Solution

The fourth proportional to 57,909.97, 86,800.40 and 26,272.58 is: 39,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.97 : 86,800.40 = 26,272.58 : x
  2. Step 2: Convert to fraction form
    57,909.97/86,800.40 = 26,272.58/x
  3. Step 3: Cross multiply
    57,909.97x = 86,800.40 × 26,272.58
  4. Step 4: Simplify right side
    57,909.97x = 2,280,470,735.71
  5. Step 5: Solve for x
    x = 2,280,470,735.71/57,909.97
  6. Step 6: Final answer
    x = 39,379.59

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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.