Home / 62,112.81-85,715.78-33,818.61

Finding the Fourth Proportional to 62,112.81, 85,715.78 and 33,818.61

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Solution

The fourth proportional to 62,112.81, 85,715.78 and 33,818.61 is: 46,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.81 : 85,715.78 = 33,818.61 : x
  2. Step 2: Convert to fraction form
    62,112.81/85,715.78 = 33,818.61/x
  3. Step 3: Cross multiply
    62,112.81x = 85,715.78 × 33,818.61
  4. Step 4: Simplify right side
    62,112.81x = 2,898,788,365.57
  5. Step 5: Solve for x
    x = 2,898,788,365.57/62,112.81
  6. Step 6: Final answer
    x = 46,669.73

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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.