Home / 117,921.82-162,733.23-67,611.10

Finding the Fourth Proportional to 117,921.82, 162,733.23 and 67,611.10

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Solution

The fourth proportional to 117,921.82, 162,733.23 and 67,611.10 is: 93,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,921.82 : 162,733.23 = 67,611.10 : x
  2. Step 2: Convert to fraction form
    117,921.82/162,733.23 = 67,611.10/x
  3. Step 3: Cross multiply
    117,921.82x = 162,733.23 × 67,611.10
  4. Step 4: Simplify right side
    117,921.82x = 11,002,572,686.85
  5. Step 5: Solve for x
    x = 11,002,572,686.85/117,921.82
  6. Step 6: Final answer
    x = 93,303.96

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1.5x scale

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.