Home / 123,631.68-170,611.56-67,042.92

Finding the Fourth Proportional to 123,631.68, 170,611.56 and 67,042.92

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Solution

The fourth proportional to 123,631.68, 170,611.56 and 67,042.92 is: 92,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.68 : 170,611.56 = 67,042.92 : x
  2. Step 2: Convert to fraction form
    123,631.68/170,611.56 = 67,042.92/x
  3. Step 3: Cross multiply
    123,631.68x = 170,611.56 × 67,042.92
  4. Step 4: Simplify right side
    123,631.68x = 11,438,297,168.16
  5. Step 5: Solve for x
    x = 11,438,297,168.16/123,631.68
  6. Step 6: Final answer
    x = 92,519.14

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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.