Home / 54,462.53-75,151.32-31,785.08

Finding the Fourth Proportional to 54,462.53, 75,151.32 and 31,785.08

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Solution

The fourth proportional to 54,462.53, 75,151.32 and 31,785.08 is: 43,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.53 : 75,151.32 = 31,785.08 : x
  2. Step 2: Convert to fraction form
    54,462.53/75,151.32 = 31,785.08/x
  3. Step 3: Cross multiply
    54,462.53x = 75,151.32 × 31,785.08
  4. Step 4: Simplify right side
    54,462.53x = 2,388,690,946.84
  5. Step 5: Solve for x
    x = 2,388,690,946.84/54,462.53
  6. Step 6: Final answer
    x = 43,859.35

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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.