Home / 75,759.72-104,549.10-41,769.42

Finding the Fourth Proportional to 75,759.72, 104,549.10 and 41,769.42

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Solution

The fourth proportional to 75,759.72, 104,549.10 and 41,769.42 is: 57,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,759.72 : 104,549.10 = 41,769.42 : x
  2. Step 2: Convert to fraction form
    75,759.72/104,549.10 = 41,769.42/x
  3. Step 3: Cross multiply
    75,759.72x = 104,549.10 × 41,769.42
  4. Step 4: Simplify right side
    75,759.72x = 4,366,955,268.52
  5. Step 5: Solve for x
    x = 4,366,955,268.52/75,759.72
  6. Step 6: Final answer
    x = 57,642.18

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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.