Home / 83,016.48-114,587.28-57,874.08

Finding the Fourth Proportional to 83,016.48, 114,587.28 and 57,874.08

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Solution

The fourth proportional to 83,016.48, 114,587.28 and 57,874.08 is: 79,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.48 : 114,587.28 = 57,874.08 : x
  2. Step 2: Convert to fraction form
    83,016.48/114,587.28 = 57,874.08/x
  3. Step 3: Cross multiply
    83,016.48x = 114,587.28 × 57,874.08
  4. Step 4: Simplify right side
    83,016.48x = 6,631,633,409.70
  5. Step 5: Solve for x
    x = 6,631,633,409.70/83,016.48
  6. Step 6: Final answer
    x = 79,883.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.