Home / 123,585.93-170,544.02-66,996.09

Finding the Fourth Proportional to 123,585.93, 170,544.02 and 66,996.09

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Solution

The fourth proportional to 123,585.93, 170,544.02 and 66,996.09 is: 92,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,585.93 : 170,544.02 = 66,996.09 : x
  2. Step 2: Convert to fraction form
    123,585.93/170,544.02 = 66,996.09/x
  3. Step 3: Cross multiply
    123,585.93x = 170,544.02 × 66,996.09
  4. Step 4: Simplify right side
    123,585.93x = 11,425,782,177.90
  5. Step 5: Solve for x
    x = 11,425,782,177.90/123,585.93
  6. Step 6: Final answer
    x = 92,452.13

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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.