Home / 88,433.40-132,563.70-79,102.20

Finding the Fourth Proportional to 88,433.40, 132,563.70 and 79,102.20

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Solution

The fourth proportional to 88,433.40, 132,563.70 and 79,102.20 is: 118,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,433.40 : 132,563.70 = 79,102.20 : x
  2. Step 2: Convert to fraction form
    88,433.40/132,563.70 = 79,102.20/x
  3. Step 3: Cross multiply
    88,433.40x = 132,563.70 × 79,102.20
  4. Step 4: Simplify right side
    88,433.40x = 10,486,080,310.14
  5. Step 5: Solve for x
    x = 10,486,080,310.14/88,433.40
  6. Step 6: Final answer
    x = 118,576.02

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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.