Home / 52,456.79-72,391.19-28,583.43

Finding the Fourth Proportional to 52,456.79, 72,391.19 and 28,583.43

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Solution

The fourth proportional to 52,456.79, 72,391.19 and 28,583.43 is: 39,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,456.79 : 72,391.19 = 28,583.43 : x
  2. Step 2: Convert to fraction form
    52,456.79/72,391.19 = 28,583.43/x
  3. Step 3: Cross multiply
    52,456.79x = 72,391.19 × 28,583.43
  4. Step 4: Simplify right side
    52,456.79x = 2,069,188,369.06
  5. Step 5: Solve for x
    x = 2,069,188,369.06/52,456.79
  6. Step 6: Final answer
    x = 39,445.58

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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.