Home / 77,555.60-116,286.68-34,853.20

Finding the Fourth Proportional to 77,555.60, 116,286.68 and 34,853.20

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Solution

The fourth proportional to 77,555.60, 116,286.68 and 34,853.20 is: 52,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.60 : 116,286.68 = 34,853.20 : x
  2. Step 2: Convert to fraction form
    77,555.60/116,286.68 = 34,853.20/x
  3. Step 3: Cross multiply
    77,555.60x = 116,286.68 × 34,853.20
  4. Step 4: Simplify right side
    77,555.60x = 4,052,962,915.38
  5. Step 5: Solve for x
    x = 4,052,962,915.38/77,555.60
  6. Step 6: Final answer
    x = 52,258.80

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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.