Home / 77,583.60-116,375.40-55,276.20

Finding the Fourth Proportional to 77,583.60, 116,375.40 and 55,276.20

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Solution

The fourth proportional to 77,583.60, 116,375.40 and 55,276.20 is: 82,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,583.60 : 116,375.40 = 55,276.20 : x
  2. Step 2: Convert to fraction form
    77,583.60/116,375.40 = 55,276.20/x
  3. Step 3: Cross multiply
    77,583.60x = 116,375.40 × 55,276.20
  4. Step 4: Simplify right side
    77,583.60x = 6,432,789,885.48
  5. Step 5: Solve for x
    x = 6,432,789,885.48/77,583.60
  6. Step 6: Final answer
    x = 82,914.30

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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.