Home / 57,656.57-86,497.38-17,675.70

Finding the Fourth Proportional to 57,656.57, 86,497.38 and 17,675.70

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Solution

The fourth proportional to 57,656.57, 86,497.38 and 17,675.70 is: 26,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,656.57 : 86,497.38 = 17,675.70 : x
  2. Step 2: Convert to fraction form
    57,656.57/86,497.38 = 17,675.70/x
  3. Step 3: Cross multiply
    57,656.57x = 86,497.38 × 17,675.70
  4. Step 4: Simplify right side
    57,656.57x = 1,528,901,955.91
  5. Step 5: Solve for x
    x = 1,528,901,955.91/57,656.57
  6. Step 6: Final answer
    x = 26,517.39

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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.