Home / 75,131.24-103,682.58-43,294.76

Finding the Fourth Proportional to 75,131.24, 103,682.58 and 43,294.76

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Solution

The fourth proportional to 75,131.24, 103,682.58 and 43,294.76 is: 59,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.24 : 103,682.58 = 43,294.76 : x
  2. Step 2: Convert to fraction form
    75,131.24/103,682.58 = 43,294.76/x
  3. Step 3: Cross multiply
    75,131.24x = 103,682.58 × 43,294.76
  4. Step 4: Simplify right side
    75,131.24x = 4,488,912,417.28
  5. Step 5: Solve for x
    x = 4,488,912,417.28/75,131.24
  6. Step 6: Final answer
    x = 59,747.62

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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.