Home / 87,615.08-131,429.64-34,995.68

Finding the Fourth Proportional to 87,615.08, 131,429.64 and 34,995.68

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Solution

The fourth proportional to 87,615.08, 131,429.64 and 34,995.68 is: 52,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.08 : 131,429.64 = 34,995.68 : x
  2. Step 2: Convert to fraction form
    87,615.08/131,429.64 = 34,995.68/x
  3. Step 3: Cross multiply
    87,615.08x = 131,429.64 × 34,995.68
  4. Step 4: Simplify right side
    87,615.08x = 4,599,469,623.96
  5. Step 5: Solve for x
    x = 4,599,469,623.96/87,615.08
  6. Step 6: Final answer
    x = 52,496.32

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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.