Home / 57,628.70-79,482.88-51,175.12

Finding the Fourth Proportional to 57,628.70, 79,482.88 and 51,175.12

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Solution

The fourth proportional to 57,628.70, 79,482.88 and 51,175.12 is: 70,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.70 : 79,482.88 = 51,175.12 : x
  2. Step 2: Convert to fraction form
    57,628.70/79,482.88 = 51,175.12/x
  3. Step 3: Cross multiply
    57,628.70x = 79,482.88 × 51,175.12
  4. Step 4: Simplify right side
    57,628.70x = 4,067,546,085.27
  5. Step 5: Solve for x
    x = 4,067,546,085.27/57,628.70
  6. Step 6: Final answer
    x = 70,581.96

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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.