Home / 87,431.08-131,209.80-34,810.24

Finding the Fourth Proportional to 87,431.08, 131,209.80 and 34,810.24

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Solution

The fourth proportional to 87,431.08, 131,209.80 and 34,810.24 is: 52,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431.08 : 131,209.80 = 34,810.24 : x
  2. Step 2: Convert to fraction form
    87,431.08/131,209.80 = 34,810.24/x
  3. Step 3: Cross multiply
    87,431.08x = 131,209.80 × 34,810.24
  4. Step 4: Simplify right side
    87,431.08x = 4,567,444,628.35
  5. Step 5: Solve for x
    x = 4,567,444,628.35/87,431.08
  6. Step 6: Final answer
    x = 52,240.51

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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.