Home / 54,972.24-75,855.29-30,774.53

Finding the Fourth Proportional to 54,972.24, 75,855.29 and 30,774.53

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Solution

The fourth proportional to 54,972.24, 75,855.29 and 30,774.53 is: 42,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.24 : 75,855.29 = 30,774.53 : x
  2. Step 2: Convert to fraction form
    54,972.24/75,855.29 = 30,774.53/x
  3. Step 3: Cross multiply
    54,972.24x = 75,855.29 × 30,774.53
  4. Step 4: Simplify right side
    54,972.24x = 2,334,410,364.61
  5. Step 5: Solve for x
    x = 2,334,410,364.61/54,972.24
  6. Step 6: Final answer
    x = 42,465.26

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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.