Home / 117,701.41-162,431.13-63,990.04

Finding the Fourth Proportional to 117,701.41, 162,431.13 and 63,990.04

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Solution

The fourth proportional to 117,701.41, 162,431.13 and 63,990.04 is: 88,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,701.41 : 162,431.13 = 63,990.04 : x
  2. Step 2: Convert to fraction form
    117,701.41/162,431.13 = 63,990.04/x
  3. Step 3: Cross multiply
    117,701.41x = 162,431.13 × 63,990.04
  4. Step 4: Simplify right side
    117,701.41x = 10,393,974,505.95
  5. Step 5: Solve for x
    x = 10,393,974,505.95/117,701.41
  6. Step 6: Final answer
    x = 88,307.99

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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.