Home / 62,939.11-86,856.57-34,645

Finding the Fourth Proportional to 62,939.11, 86,856.57 and 34,645

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Solution

The fourth proportional to 62,939.11, 86,856.57 and 34,645 is: 47,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.11 : 86,856.57 = 34,645 : x
  2. Step 2: Convert to fraction form
    62,939.11/86,856.57 = 34,645/x
  3. Step 3: Cross multiply
    62,939.11x = 86,856.57 × 34,645
  4. Step 4: Simplify right side
    62,939.11x = 3,009,145,867.65
  5. Step 5: Solve for x
    x = 3,009,145,867.65/62,939.11
  6. Step 6: Final answer
    x = 47,810.43

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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.