Home / 57,173.77-85,703.56-38,214.37

Finding the Fourth Proportional to 57,173.77, 85,703.56 and 38,214.37

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Solution

The fourth proportional to 57,173.77, 85,703.56 and 38,214.37 is: 57,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,173.77 : 85,703.56 = 38,214.37 : x
  2. Step 2: Convert to fraction form
    57,173.77/85,703.56 = 38,214.37/x
  3. Step 3: Cross multiply
    57,173.77x = 85,703.56 × 38,214.37
  4. Step 4: Simplify right side
    57,173.77x = 3,275,107,611.52
  5. Step 5: Solve for x
    x = 3,275,107,611.52/57,173.77
  6. Step 6: Final answer
    x = 57,283.40

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1.5x scale

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.