Home / 54,866.29-75,715.47-29,715.79

Finding the Fourth Proportional to 54,866.29, 75,715.47 and 29,715.79

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Solution

The fourth proportional to 54,866.29, 75,715.47 and 29,715.79 is: 41,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.29 : 75,715.47 = 29,715.79 : x
  2. Step 2: Convert to fraction form
    54,866.29/75,715.47 = 29,715.79/x
  3. Step 3: Cross multiply
    54,866.29x = 75,715.47 × 29,715.79
  4. Step 4: Simplify right side
    54,866.29x = 2,249,944,816.98
  5. Step 5: Solve for x
    x = 2,249,944,816.98/54,866.29
  6. Step 6: Final answer
    x = 41,007.78

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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.