Home / 62,731.61-86,540.75-40,059.26

Finding the Fourth Proportional to 62,731.61, 86,540.75 and 40,059.26

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Solution

The fourth proportional to 62,731.61, 86,540.75 and 40,059.26 is: 55,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,731.61 : 86,540.75 = 40,059.26 : x
  2. Step 2: Convert to fraction form
    62,731.61/86,540.75 = 40,059.26/x
  3. Step 3: Cross multiply
    62,731.61x = 86,540.75 × 40,059.26
  4. Step 4: Simplify right side
    62,731.61x = 3,466,758,471.93
  5. Step 5: Solve for x
    x = 3,466,758,471.93/62,731.61
  6. Step 6: Final answer
    x = 55,263.34

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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.