Home / 117,938.33-162,753.29-66,950.61

Finding the Fourth Proportional to 117,938.33, 162,753.29 and 66,950.61

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Solution

The fourth proportional to 117,938.33, 162,753.29 and 66,950.61 is: 92,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,938.33 : 162,753.29 = 66,950.61 : x
  2. Step 2: Convert to fraction form
    117,938.33/162,753.29 = 66,950.61/x
  3. Step 3: Cross multiply
    117,938.33x = 162,753.29 × 66,950.61
  4. Step 4: Simplify right side
    117,938.33x = 10,896,431,710.25
  5. Step 5: Solve for x
    x = 10,896,431,710.25/117,938.33
  6. Step 6: Final answer
    x = 92,390.93

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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.