Home / 54,618.04-75,372.06-30,744.64

Finding the Fourth Proportional to 54,618.04, 75,372.06 and 30,744.64

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Solution

The fourth proportional to 54,618.04, 75,372.06 and 30,744.64 is: 42,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.04 : 75,372.06 = 30,744.64 : x
  2. Step 2: Convert to fraction form
    54,618.04/75,372.06 = 30,744.64/x
  3. Step 3: Cross multiply
    54,618.04x = 75,372.06 × 30,744.64
  4. Step 4: Simplify right side
    54,618.04x = 2,317,286,850.76
  5. Step 5: Solve for x
    x = 2,317,286,850.76/54,618.04
  6. Step 6: Final answer
    x = 42,427.13

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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.