Home / 117,963.95-162,794.83-66,981.41

Finding the Fourth Proportional to 117,963.95, 162,794.83 and 66,981.41

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Solution

The fourth proportional to 117,963.95, 162,794.83 and 66,981.41 is: 92,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,963.95 : 162,794.83 = 66,981.41 : x
  2. Step 2: Convert to fraction form
    117,963.95/162,794.83 = 66,981.41/x
  3. Step 3: Cross multiply
    117,963.95x = 162,794.83 × 66,981.41
  4. Step 4: Simplify right side
    117,963.95x = 10,904,227,254.11
  5. Step 5: Solve for x
    x = 10,904,227,254.11/117,963.95
  6. Step 6: Final answer
    x = 92,436.95

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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.