Home / 57,137.40-85,723.56-25,573.95

Finding the Fourth Proportional to 57,137.40, 85,723.56 and 25,573.95

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Solution

The fourth proportional to 57,137.40, 85,723.56 and 25,573.95 is: 38,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.40 : 85,723.56 = 25,573.95 : x
  2. Step 2: Convert to fraction form
    57,137.40/85,723.56 = 25,573.95/x
  3. Step 3: Cross multiply
    57,137.40x = 85,723.56 × 25,573.95
  4. Step 4: Simplify right side
    57,137.40x = 2,192,290,037.26
  5. Step 5: Solve for x
    x = 2,192,290,037.26/57,137.40
  6. Step 6: Final answer
    x = 38,368.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.