Home / 57,211.56-78,950.52-34,569.36

Finding the Fourth Proportional to 57,211.56, 78,950.52 and 34,569.36

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Solution

The fourth proportional to 57,211.56, 78,950.52 and 34,569.36 is: 47,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.56 : 78,950.52 = 34,569.36 : x
  2. Step 2: Convert to fraction form
    57,211.56/78,950.52 = 34,569.36/x
  3. Step 3: Cross multiply
    57,211.56x = 78,950.52 × 34,569.36
  4. Step 4: Simplify right side
    57,211.56x = 2,729,268,948.07
  5. Step 5: Solve for x
    x = 2,729,268,948.07/57,211.56
  6. Step 6: Final answer
    x = 47,704.85

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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.