Home / 54,910.12-75,776.18-29,759.64

Finding the Fourth Proportional to 54,910.12, 75,776.18 and 29,759.64

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Solution

The fourth proportional to 54,910.12, 75,776.18 and 29,759.64 is: 41,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.12 : 75,776.18 = 29,759.64 : x
  2. Step 2: Convert to fraction form
    54,910.12/75,776.18 = 29,759.64/x
  3. Step 3: Cross multiply
    54,910.12x = 75,776.18 × 29,759.64
  4. Step 4: Simplify right side
    54,910.12x = 2,255,071,837.38
  5. Step 5: Solve for x
    x = 2,255,071,837.38/54,910.12
  6. Step 6: Final answer
    x = 41,068.42

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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.