Home / 54,434.91-75,116.07-30,557.01

Finding the Fourth Proportional to 54,434.91, 75,116.07 and 30,557.01

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Solution

The fourth proportional to 54,434.91, 75,116.07 and 30,557.01 is: 42,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434.91 : 75,116.07 = 30,557.01 : x
  2. Step 2: Convert to fraction form
    54,434.91/75,116.07 = 30,557.01/x
  3. Step 3: Cross multiply
    54,434.91x = 75,116.07 × 30,557.01
  4. Step 4: Simplify right side
    54,434.91x = 2,295,322,502.15
  5. Step 5: Solve for x
    x = 2,295,322,502.15/54,434.91
  6. Step 6: Final answer
    x = 42,166.37

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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.