Home / 85,916.28-118,564.11-48,190.53

Finding the Fourth Proportional to 85,916.28, 118,564.11 and 48,190.53

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Solution

The fourth proportional to 85,916.28, 118,564.11 and 48,190.53 is: 66,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,916.28 : 118,564.11 = 48,190.53 : x
  2. Step 2: Convert to fraction form
    85,916.28/118,564.11 = 48,190.53/x
  3. Step 3: Cross multiply
    85,916.28x = 118,564.11 × 48,190.53
  4. Step 4: Simplify right side
    85,916.28x = 5,713,667,299.88
  5. Step 5: Solve for x
    x = 5,713,667,299.88/85,916.28
  6. Step 6: Final answer
    x = 66,502.73

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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.