Home / 57,037.97-78,630.05-39,104.57

Finding the Fourth Proportional to 57,037.97, 78,630.05 and 39,104.57

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Solution

The fourth proportional to 57,037.97, 78,630.05 and 39,104.57 is: 53,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,037.97 : 78,630.05 = 39,104.57 : x
  2. Step 2: Convert to fraction form
    57,037.97/78,630.05 = 39,104.57/x
  3. Step 3: Cross multiply
    57,037.97x = 78,630.05 × 39,104.57
  4. Step 4: Simplify right side
    57,037.97x = 3,074,793,705.66
  5. Step 5: Solve for x
    x = 3,074,793,705.66/57,037.97
  6. Step 6: Final answer
    x = 53,907.84

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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.