Home / 54,663.66-75,434.49-30,788.91

Finding the Fourth Proportional to 54,663.66, 75,434.49 and 30,788.91

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Solution

The fourth proportional to 54,663.66, 75,434.49 and 30,788.91 is: 42,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663.66 : 75,434.49 = 30,788.91 : x
  2. Step 2: Convert to fraction form
    54,663.66/75,434.49 = 30,788.91/x
  3. Step 3: Cross multiply
    54,663.66x = 75,434.49 × 30,788.91
  4. Step 4: Simplify right side
    54,663.66x = 2,322,545,723.51
  5. Step 5: Solve for x
    x = 2,322,545,723.51/54,663.66
  6. Step 6: Final answer
    x = 42,487.93

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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.