Home / 75,910.23-113,914.55-31,568.81

Finding the Fourth Proportional to 75,910.23, 113,914.55 and 31,568.81

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Solution

The fourth proportional to 75,910.23, 113,914.55 and 31,568.81 is: 47,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.23 : 113,914.55 = 31,568.81 : x
  2. Step 2: Convert to fraction form
    75,910.23/113,914.55 = 31,568.81/x
  3. Step 3: Cross multiply
    75,910.23x = 113,914.55 × 31,568.81
  4. Step 4: Simplify right side
    75,910.23x = 3,596,146,294.53
  5. Step 5: Solve for x
    x = 3,596,146,294.53/75,910.23
  6. Step 6: Final answer
    x = 47,373.67

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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.