Home / 62,712.58-86,543.29-34,418.34

Finding the Fourth Proportional to 62,712.58, 86,543.29 and 34,418.34

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Solution

The fourth proportional to 62,712.58, 86,543.29 and 34,418.34 is: 47,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712.58 : 86,543.29 = 34,418.34 : x
  2. Step 2: Convert to fraction form
    62,712.58/86,543.29 = 34,418.34/x
  3. Step 3: Cross multiply
    62,712.58x = 86,543.29 × 34,418.34
  4. Step 4: Simplify right side
    62,712.58x = 2,978,676,379.94
  5. Step 5: Solve for x
    x = 2,978,676,379.94/62,712.58
  6. Step 6: Final answer
    x = 47,497.27

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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.