Home / 57,965.20-86,966.46-26,386.56

Finding the Fourth Proportional to 57,965.20, 86,966.46 and 26,386.56

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Solution

The fourth proportional to 57,965.20, 86,966.46 and 26,386.56 is: 39,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.20 : 86,966.46 = 26,386.56 : x
  2. Step 2: Convert to fraction form
    57,965.20/86,966.46 = 26,386.56/x
  3. Step 3: Cross multiply
    57,965.20x = 86,966.46 × 26,386.56
  4. Step 4: Simplify right side
    57,965.20x = 2,294,745,714.78
  5. Step 5: Solve for x
    x = 2,294,745,714.78/57,965.20
  6. Step 6: Final answer
    x = 39,588.33

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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.