Home / 117,510.30-162,157.62-68,466.84

Finding the Fourth Proportional to 117,510.30, 162,157.62 and 68,466.84

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Solution

The fourth proportional to 117,510.30, 162,157.62 and 68,466.84 is: 94,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,510.30 : 162,157.62 = 68,466.84 : x
  2. Step 2: Convert to fraction form
    117,510.30/162,157.62 = 68,466.84/x
  3. Step 3: Cross multiply
    117,510.30x = 162,157.62 × 68,466.84
  4. Step 4: Simplify right side
    117,510.30x = 11,102,419,823.32
  5. Step 5: Solve for x
    x = 11,102,419,823.32/117,510.30
  6. Step 6: Final answer
    x = 94,480.40

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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.