Home / 54,814.62-75,642.62-30,943.52

Finding the Fourth Proportional to 54,814.62, 75,642.62 and 30,943.52

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Solution

The fourth proportional to 54,814.62, 75,642.62 and 30,943.52 is: 42,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,814.62 : 75,642.62 = 30,943.52 : x
  2. Step 2: Convert to fraction form
    54,814.62/75,642.62 = 30,943.52/x
  3. Step 3: Cross multiply
    54,814.62x = 75,642.62 × 30,943.52
  4. Step 4: Simplify right side
    54,814.62x = 2,340,648,924.82
  5. Step 5: Solve for x
    x = 2,340,648,924.82/54,814.62
  6. Step 6: Final answer
    x = 42,701.18

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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.