Home / 87,704.16-131,563.08-31,551.57

Finding the Fourth Proportional to 87,704.16, 131,563.08 and 31,551.57

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Solution

The fourth proportional to 87,704.16, 131,563.08 and 31,551.57 is: 47,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.16 : 131,563.08 = 31,551.57 : x
  2. Step 2: Convert to fraction form
    87,704.16/131,563.08 = 31,551.57/x
  3. Step 3: Cross multiply
    87,704.16x = 131,563.08 × 31,551.57
  4. Step 4: Simplify right side
    87,704.16x = 4,151,021,728.04
  5. Step 5: Solve for x
    x = 4,151,021,728.04/87,704.16
  6. Step 6: Final answer
    x = 47,329.82

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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.