Home / 87,247.81-120,383.30-50,932.77

Finding the Fourth Proportional to 87,247.81, 120,383.30 and 50,932.77

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Solution

The fourth proportional to 87,247.81, 120,383.30 and 50,932.77 is: 70,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.81 : 120,383.30 = 50,932.77 : x
  2. Step 2: Convert to fraction form
    87,247.81/120,383.30 = 50,932.77/x
  3. Step 3: Cross multiply
    87,247.81x = 120,383.30 × 50,932.77
  4. Step 4: Simplify right side
    87,247.81x = 6,131,455,219.70
  5. Step 5: Solve for x
    x = 6,131,455,219.70/87,247.81
  6. Step 6: Final answer
    x = 70,276.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.