Home / 54,969.12-75,857.36-29,818.62

Finding the Fourth Proportional to 54,969.12, 75,857.36 and 29,818.62

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Solution

The fourth proportional to 54,969.12, 75,857.36 and 29,818.62 is: 41,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.12 : 75,857.36 = 29,818.62 : x
  2. Step 2: Convert to fraction form
    54,969.12/75,857.36 = 29,818.62/x
  3. Step 3: Cross multiply
    54,969.12x = 75,857.36 × 29,818.62
  4. Step 4: Simplify right side
    54,969.12x = 2,261,961,642.95
  5. Step 5: Solve for x
    x = 2,261,961,642.95/54,969.12
  6. Step 6: Final answer
    x = 41,149.68

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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.