Home / 75,693.88-113,586.18-31,321.24

Finding the Fourth Proportional to 75,693.88, 113,586.18 and 31,321.24

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Solution

The fourth proportional to 75,693.88, 113,586.18 and 31,321.24 is: 47,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,693.88 : 113,586.18 = 31,321.24 : x
  2. Step 2: Convert to fraction form
    75,693.88/113,586.18 = 31,321.24/x
  3. Step 3: Cross multiply
    75,693.88x = 113,586.18 × 31,321.24
  4. Step 4: Simplify right side
    75,693.88x = 3,557,660,004.46
  5. Step 5: Solve for x
    x = 3,557,660,004.46/75,693.88
  6. Step 6: Final answer
    x = 47,000.63

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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.