Home / 54,956.55-75,840.04-31,082.71

Finding the Fourth Proportional to 54,956.55, 75,840.04 and 31,082.71

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Solution

The fourth proportional to 54,956.55, 75,840.04 and 31,082.71 is: 42,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.55 : 75,840.04 = 31,082.71 : x
  2. Step 2: Convert to fraction form
    54,956.55/75,840.04 = 31,082.71/x
  3. Step 3: Cross multiply
    54,956.55x = 75,840.04 × 31,082.71
  4. Step 4: Simplify right side
    54,956.55x = 2,357,313,969.71
  5. Step 5: Solve for x
    x = 2,357,313,969.71/54,956.55
  6. Step 6: Final answer
    x = 42,894.14

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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.