Home / 123,741.07-170,762.78-67,152.44

Finding the Fourth Proportional to 123,741.07, 170,762.78 and 67,152.44

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Solution

The fourth proportional to 123,741.07, 170,762.78 and 67,152.44 is: 92,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,741.07 : 170,762.78 = 67,152.44 : x
  2. Step 2: Convert to fraction form
    123,741.07/170,762.78 = 67,152.44/x
  3. Step 3: Cross multiply
    123,741.07x = 170,762.78 × 67,152.44
  4. Step 4: Simplify right side
    123,741.07x = 11,467,137,932.97
  5. Step 5: Solve for x
    x = 11,467,137,932.97/123,741.07
  6. Step 6: Final answer
    x = 92,670.43

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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.