Home / 85,932.24-128,896.41-50,617.59

Finding the Fourth Proportional to 85,932.24, 128,896.41 and 50,617.59

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Solution

The fourth proportional to 85,932.24, 128,896.41 and 50,617.59 is: 75,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,932.24 : 128,896.41 = 50,617.59 : x
  2. Step 2: Convert to fraction form
    85,932.24/128,896.41 = 50,617.59/x
  3. Step 3: Cross multiply
    85,932.24x = 128,896.41 × 50,617.59
  4. Step 4: Simplify right side
    85,932.24x = 6,524,425,633.85
  5. Step 5: Solve for x
    x = 6,524,425,633.85/85,932.24
  6. Step 6: Final answer
    x = 75,925.24

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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.