Home / 57,586.67-79,439.23-39,650.53

Finding the Fourth Proportional to 57,586.67, 79,439.23 and 39,650.53

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Solution

The fourth proportional to 57,586.67, 79,439.23 and 39,650.53 is: 54,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.67 : 79,439.23 = 39,650.53 : x
  2. Step 2: Convert to fraction form
    57,586.67/79,439.23 = 39,650.53/x
  3. Step 3: Cross multiply
    57,586.67x = 79,439.23 × 39,650.53
  4. Step 4: Simplify right side
    57,586.67x = 3,149,807,572.29
  5. Step 5: Solve for x
    x = 3,149,807,572.29/57,586.67
  6. Step 6: Final answer
    x = 54,696.82

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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.