Home / 57,098.53-78,794.26-31,605.94

Finding the Fourth Proportional to 57,098.53, 78,794.26 and 31,605.94

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Solution

The fourth proportional to 57,098.53, 78,794.26 and 31,605.94 is: 43,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.53 : 78,794.26 = 31,605.94 : x
  2. Step 2: Convert to fraction form
    57,098.53/78,794.26 = 31,605.94/x
  3. Step 3: Cross multiply
    57,098.53x = 78,794.26 × 31,605.94
  4. Step 4: Simplify right side
    57,098.53x = 2,490,366,377.90
  5. Step 5: Solve for x
    x = 2,490,366,377.90/57,098.53
  6. Step 6: Final answer
    x = 43,615.25

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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.