Home / 90,563.10-135,757.17-31,354.26

Finding the Fourth Proportional to 90,563.10, 135,757.17 and 31,354.26

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Solution

The fourth proportional to 90,563.10, 135,757.17 and 31,354.26 is: 47,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,563.10 : 135,757.17 = 31,354.26 : x
  2. Step 2: Convert to fraction form
    90,563.10/135,757.17 = 31,354.26/x
  3. Step 3: Cross multiply
    90,563.10x = 135,757.17 × 31,354.26
  4. Step 4: Simplify right side
    90,563.10x = 4,256,565,605.04
  5. Step 5: Solve for x
    x = 4,256,565,605.04/90,563.10
  6. Step 6: Final answer
    x = 47,001.10

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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.