Home / 123,571.16-170,535.56-69,861.18

Finding the Fourth Proportional to 123,571.16, 170,535.56 and 69,861.18

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Solution

The fourth proportional to 123,571.16, 170,535.56 and 69,861.18 is: 96,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,571.16 : 170,535.56 = 69,861.18 : x
  2. Step 2: Convert to fraction form
    123,571.16/170,535.56 = 69,861.18/x
  3. Step 3: Cross multiply
    123,571.16x = 170,535.56 × 69,861.18
  4. Step 4: Simplify right side
    123,571.16x = 11,913,815,177.47
  5. Step 5: Solve for x
    x = 11,913,815,177.47/123,571.16
  6. Step 6: Final answer
    x = 96,412.58

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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.