Home / 57,174.60-85,856.94-38,574.30

Finding the Fourth Proportional to 57,174.60, 85,856.94 and 38,574.30

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Solution

The fourth proportional to 57,174.60, 85,856.94 and 38,574.30 is: 57,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.60 : 85,856.94 = 38,574.30 : x
  2. Step 2: Convert to fraction form
    57,174.60/85,856.94 = 38,574.30/x
  3. Step 3: Cross multiply
    57,174.60x = 85,856.94 × 38,574.30
  4. Step 4: Simplify right side
    57,174.60x = 3,311,871,360.64
  5. Step 5: Solve for x
    x = 3,311,871,360.64/57,174.60
  6. Step 6: Final answer
    x = 57,925.57

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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.