Home / 57,116.41-85,678.94-17,677.51

Finding the Fourth Proportional to 57,116.41, 85,678.94 and 17,677.51

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Solution

The fourth proportional to 57,116.41, 85,678.94 and 17,677.51 is: 26,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.41 : 85,678.94 = 17,677.51 : x
  2. Step 2: Convert to fraction form
    57,116.41/85,678.94 = 17,677.51/x
  3. Step 3: Cross multiply
    57,116.41x = 85,678.94 × 17,677.51
  4. Step 4: Simplify right side
    57,116.41x = 1,514,590,230.25
  5. Step 5: Solve for x
    x = 1,514,590,230.25/57,116.41
  6. Step 6: Final answer
    x = 26,517.60

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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.