Home / 57,083.68-78,773.53-31,591.12

Finding the Fourth Proportional to 57,083.68, 78,773.53 and 31,591.12

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Solution

The fourth proportional to 57,083.68, 78,773.53 and 31,591.12 is: 43,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.68 : 78,773.53 = 31,591.12 : x
  2. Step 2: Convert to fraction form
    57,083.68/78,773.53 = 31,591.12/x
  3. Step 3: Cross multiply
    57,083.68x = 78,773.53 × 31,591.12
  4. Step 4: Simplify right side
    57,083.68x = 2,488,544,039.05
  5. Step 5: Solve for x
    x = 2,488,544,039.05/57,083.68
  6. Step 6: Final answer
    x = 43,594.67

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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.