Home / 57,475.25-79,352.28-39,356.29

Finding the Fourth Proportional to 57,475.25, 79,352.28 and 39,356.29

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Solution

The fourth proportional to 57,475.25, 79,352.28 and 39,356.29 is: 54,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.25 : 79,352.28 = 39,356.29 : x
  2. Step 2: Convert to fraction form
    57,475.25/79,352.28 = 39,356.29/x
  3. Step 3: Cross multiply
    57,475.25x = 79,352.28 × 39,356.29
  4. Step 4: Simplify right side
    57,475.25x = 3,123,011,343.84
  5. Step 5: Solve for x
    x = 3,123,011,343.84/57,475.25
  6. Step 6: Final answer
    x = 54,336.63

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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.