Home / 69,723.18-96,218.28-41,428.26

Finding the Fourth Proportional to 69,723.18, 96,218.28 and 41,428.26

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Solution

The fourth proportional to 69,723.18, 96,218.28 and 41,428.26 is: 57,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.18 : 96,218.28 = 41,428.26 : x
  2. Step 2: Convert to fraction form
    69,723.18/96,218.28 = 41,428.26/x
  3. Step 3: Cross multiply
    69,723.18x = 96,218.28 × 41,428.26
  4. Step 4: Simplify right side
    69,723.18x = 3,986,155,920.59
  5. Step 5: Solve for x
    x = 3,986,155,920.59/69,723.18
  6. Step 6: Final answer
    x = 57,171.17

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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.