Home / 54,581.47-75,322.26-30,708.14

Finding the Fourth Proportional to 54,581.47, 75,322.26 and 30,708.14

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Solution

The fourth proportional to 54,581.47, 75,322.26 and 30,708.14 is: 42,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.47 : 75,322.26 = 30,708.14 : x
  2. Step 2: Convert to fraction form
    54,581.47/75,322.26 = 30,708.14/x
  3. Step 3: Cross multiply
    54,581.47x = 75,322.26 × 30,708.14
  4. Step 4: Simplify right side
    54,581.47x = 2,313,006,128.59
  5. Step 5: Solve for x
    x = 2,313,006,128.59/54,581.47
  6. Step 6: Final answer
    x = 42,377.13

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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.