Home / 123,926.75-171,018.58-67,338.12

Finding the Fourth Proportional to 123,926.75, 171,018.58 and 67,338.12

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Solution

The fourth proportional to 123,926.75, 171,018.58 and 67,338.12 is: 92,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,926.75 : 171,018.58 = 67,338.12 : x
  2. Step 2: Convert to fraction form
    123,926.75/171,018.58 = 67,338.12/x
  3. Step 3: Cross multiply
    123,926.75x = 171,018.58 × 67,338.12
  4. Step 4: Simplify right side
    123,926.75x = 11,516,069,325.58
  5. Step 5: Solve for x
    x = 11,516,069,325.58/123,926.75
  6. Step 6: Final answer
    x = 92,926.42

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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.