Home / 87,986.20-132,044.10-35,433.40

Finding the Fourth Proportional to 87,986.20, 132,044.10 and 35,433.40

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Solution

The fourth proportional to 87,986.20, 132,044.10 and 35,433.40 is: 53,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,986.20 : 132,044.10 = 35,433.40 : x
  2. Step 2: Convert to fraction form
    87,986.20/132,044.10 = 35,433.40/x
  3. Step 3: Cross multiply
    87,986.20x = 132,044.10 × 35,433.40
  4. Step 4: Simplify right side
    87,986.20x = 4,678,771,412.94
  5. Step 5: Solve for x
    x = 4,678,771,412.94/87,986.20
  6. Step 6: Final answer
    x = 53,176.20

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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.