Home / 62,712.78-86,543.40-34,032.57

Finding the Fourth Proportional to 62,712.78, 86,543.40 and 34,032.57

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Solution

The fourth proportional to 62,712.78, 86,543.40 and 34,032.57 is: 46,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712.78 : 86,543.40 = 34,032.57 : x
  2. Step 2: Convert to fraction form
    62,712.78/86,543.40 = 34,032.57/x
  3. Step 3: Cross multiply
    62,712.78x = 86,543.40 × 34,032.57
  4. Step 4: Simplify right side
    62,712.78x = 2,945,294,318.54
  5. Step 5: Solve for x
    x = 2,945,294,318.54/62,712.78
  6. Step 6: Final answer
    x = 46,964.82

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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.