Home / 83,258.27-114,909.96-61,889.90

Finding the Fourth Proportional to 83,258.27, 114,909.96 and 61,889.90

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Solution

The fourth proportional to 83,258.27, 114,909.96 and 61,889.90 is: 85,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,258.27 : 114,909.96 = 61,889.90 : x
  2. Step 2: Convert to fraction form
    83,258.27/114,909.96 = 61,889.90/x
  3. Step 3: Cross multiply
    83,258.27x = 114,909.96 × 61,889.90
  4. Step 4: Simplify right side
    83,258.27x = 7,111,765,933.40
  5. Step 5: Solve for x
    x = 7,111,765,933.40/83,258.27
  6. Step 6: Final answer
    x = 85,418.13

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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.