Home / 117,848.84-162,635.05-66,863.70

Finding the Fourth Proportional to 117,848.84, 162,635.05 and 66,863.70

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Solution

The fourth proportional to 117,848.84, 162,635.05 and 66,863.70 is: 92,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,848.84 : 162,635.05 = 66,863.70 : x
  2. Step 2: Convert to fraction form
    117,848.84/162,635.05 = 66,863.70/x
  3. Step 3: Cross multiply
    117,848.84x = 162,635.05 × 66,863.70
  4. Step 4: Simplify right side
    117,848.84x = 10,874,381,025.53
  5. Step 5: Solve for x
    x = 10,874,381,025.53/117,848.84
  6. Step 6: Final answer
    x = 92,273.98

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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.