Home / 123,576.03-170,534.07-69,860.97

Finding the Fourth Proportional to 123,576.03, 170,534.07 and 69,860.97

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Solution

The fourth proportional to 123,576.03, 170,534.07 and 69,860.97 is: 96,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,576.03 : 170,534.07 = 69,860.97 : x
  2. Step 2: Convert to fraction form
    123,576.03/170,534.07 = 69,860.97/x
  3. Step 3: Cross multiply
    123,576.03x = 170,534.07 × 69,860.97
  4. Step 4: Simplify right side
    123,576.03x = 11,913,675,548.25
  5. Step 5: Solve for x
    x = 11,913,675,548.25/123,576.03
  6. Step 6: Final answer
    x = 96,407.66

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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.