Home / 62,905.11-86,715.13-41,647.47

Finding the Fourth Proportional to 62,905.11, 86,715.13 and 41,647.47

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Solution

The fourth proportional to 62,905.11, 86,715.13 and 41,647.47 is: 57,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,905.11 : 86,715.13 = 41,647.47 : x
  2. Step 2: Convert to fraction form
    62,905.11/86,715.13 = 41,647.47/x
  3. Step 3: Cross multiply
    62,905.11x = 86,715.13 × 41,647.47
  4. Step 4: Simplify right side
    62,905.11x = 3,611,465,775.22
  5. Step 5: Solve for x
    x = 3,611,465,775.22/62,905.11
  6. Step 6: Final answer
    x = 57,411.33

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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.