Home / 90,757.70-136,153.85-34,593.11

Finding the Fourth Proportional to 90,757.70, 136,153.85 and 34,593.11

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Solution

The fourth proportional to 90,757.70, 136,153.85 and 34,593.11 is: 51,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,757.70 : 136,153.85 = 34,593.11 : x
  2. Step 2: Convert to fraction form
    90,757.70/136,153.85 = 34,593.11/x
  3. Step 3: Cross multiply
    90,757.70x = 136,153.85 × 34,593.11
  4. Step 4: Simplify right side
    90,757.70x = 4,709,984,256.24
  5. Step 5: Solve for x
    x = 4,709,984,256.24/90,757.70
  6. Step 6: Final answer
    x = 51,896.25

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1.5x scale

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.