Home / 115,760.40-173,650.20-36,872.40

Finding the Fourth Proportional to 115,760.40, 173,650.20 and 36,872.40

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Solution

The fourth proportional to 115,760.40, 173,650.20 and 36,872.40 is: 55,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,760.40 : 173,650.20 = 36,872.40 : x
  2. Step 2: Convert to fraction form
    115,760.40/173,650.20 = 36,872.40/x
  3. Step 3: Cross multiply
    115,760.40x = 173,650.20 × 36,872.40
  4. Step 4: Simplify right side
    115,760.40x = 6,402,899,634.48
  5. Step 5: Solve for x
    x = 6,402,899,634.48/115,760.40
  6. Step 6: Final answer
    x = 55,311.66

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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.