Home / 54,834.58-75,663.19-30,960.74

Finding the Fourth Proportional to 54,834.58, 75,663.19 and 30,960.74

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Solution

The fourth proportional to 54,834.58, 75,663.19 and 30,960.74 is: 42,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,834.58 : 75,663.19 = 30,960.74 : x
  2. Step 2: Convert to fraction form
    54,834.58/75,663.19 = 30,960.74/x
  3. Step 3: Cross multiply
    54,834.58x = 75,663.19 × 30,960.74
  4. Step 4: Simplify right side
    54,834.58x = 2,342,588,796.27
  5. Step 5: Solve for x
    x = 2,342,588,796.27/54,834.58
  6. Step 6: Final answer
    x = 42,721.01

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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.