Home / 117,560.06-162,282.51-79,371.30

Finding the Fourth Proportional to 117,560.06, 162,282.51 and 79,371.30

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Solution

The fourth proportional to 117,560.06, 162,282.51 and 79,371.30 is: 109,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,560.06 : 162,282.51 = 79,371.30 : x
  2. Step 2: Convert to fraction form
    117,560.06/162,282.51 = 79,371.30/x
  3. Step 3: Cross multiply
    117,560.06x = 162,282.51 × 79,371.30
  4. Step 4: Simplify right side
    117,560.06x = 12,880,573,785.96
  5. Step 5: Solve for x
    x = 12,880,573,785.96/117,560.06
  6. Step 6: Final answer
    x = 109,565.90

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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.