Home / 123,515.01-170,450.82-66,926.39

Finding the Fourth Proportional to 123,515.01, 170,450.82 and 66,926.39

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Solution

The fourth proportional to 123,515.01, 170,450.82 and 66,926.39 is: 92,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,515.01 : 170,450.82 = 66,926.39 : x
  2. Step 2: Convert to fraction form
    123,515.01/170,450.82 = 66,926.39/x
  3. Step 3: Cross multiply
    123,515.01x = 170,450.82 × 66,926.39
  4. Step 4: Simplify right side
    123,515.01x = 11,407,657,202.89
  5. Step 5: Solve for x
    x = 11,407,657,202.89/123,515.01
  6. Step 6: Final answer
    x = 92,358.47

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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.