Home / 75,529.76-113,308.16-31,131.84

Finding the Fourth Proportional to 75,529.76, 113,308.16 and 31,131.84

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Solution

The fourth proportional to 75,529.76, 113,308.16 and 31,131.84 is: 46,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.76 : 113,308.16 = 31,131.84 : x
  2. Step 2: Convert to fraction form
    75,529.76/113,308.16 = 31,131.84/x
  3. Step 3: Cross multiply
    75,529.76x = 113,308.16 × 31,131.84
  4. Step 4: Simplify right side
    75,529.76x = 3,527,491,507.81
  5. Step 5: Solve for x
    x = 3,527,491,507.81/75,529.76
  6. Step 6: Final answer
    x = 46,703.33

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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.