Home / 57,633.75-79,534.62-31,137.75

Finding the Fourth Proportional to 57,633.75, 79,534.62 and 31,137.75

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Solution

The fourth proportional to 57,633.75, 79,534.62 and 31,137.75 is: 42,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.75 : 79,534.62 = 31,137.75 : x
  2. Step 2: Convert to fraction form
    57,633.75/79,534.62 = 31,137.75/x
  3. Step 3: Cross multiply
    57,633.75x = 79,534.62 × 31,137.75
  4. Step 4: Simplify right side
    57,633.75x = 2,476,529,113.91
  5. Step 5: Solve for x
    x = 2,476,529,113.91/57,633.75
  6. Step 6: Final answer
    x = 42,970.12

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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.