Home / 57,076.24-78,758.45-31,579.23

Finding the Fourth Proportional to 57,076.24, 78,758.45 and 31,579.23

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Solution

The fourth proportional to 57,076.24, 78,758.45 and 31,579.23 is: 43,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.24 : 78,758.45 = 31,579.23 : x
  2. Step 2: Convert to fraction form
    57,076.24/78,758.45 = 31,579.23/x
  3. Step 3: Cross multiply
    57,076.24x = 78,758.45 × 31,579.23
  4. Step 4: Simplify right side
    57,076.24x = 2,487,131,206.99
  5. Step 5: Solve for x
    x = 2,487,131,206.99/57,076.24
  6. Step 6: Final answer
    x = 43,575.60

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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.