Home / 54,825.12-75,657.11-30,954.02

Finding the Fourth Proportional to 54,825.12, 75,657.11 and 30,954.02

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Solution

The fourth proportional to 54,825.12, 75,657.11 and 30,954.02 is: 42,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,825.12 : 75,657.11 = 30,954.02 : x
  2. Step 2: Convert to fraction form
    54,825.12/75,657.11 = 30,954.02/x
  3. Step 3: Cross multiply
    54,825.12x = 75,657.11 × 30,954.02
  4. Step 4: Simplify right side
    54,825.12x = 2,341,891,163.03
  5. Step 5: Solve for x
    x = 2,341,891,163.03/54,825.12
  6. Step 6: Final answer
    x = 42,715.66

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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.