Home / 57,378.24-86,086.80-29,310.12

Finding the Fourth Proportional to 57,378.24, 86,086.80 and 29,310.12

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Solution

The fourth proportional to 57,378.24, 86,086.80 and 29,310.12 is: 43,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.24 : 86,086.80 = 29,310.12 : x
  2. Step 2: Convert to fraction form
    57,378.24/86,086.80 = 29,310.12/x
  3. Step 3: Cross multiply
    57,378.24x = 86,086.80 × 29,310.12
  4. Step 4: Simplify right side
    57,378.24x = 2,523,214,438.42
  5. Step 5: Solve for x
    x = 2,523,214,438.42/57,378.24
  6. Step 6: Final answer
    x = 43,975.11

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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.