Home / 97,358.91-134,359.38-54,917.43

Finding the Fourth Proportional to 97,358.91, 134,359.38 and 54,917.43

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Solution

The fourth proportional to 97,358.91, 134,359.38 and 54,917.43 is: 75,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,358.91 : 134,359.38 = 54,917.43 : x
  2. Step 2: Convert to fraction form
    97,358.91/134,359.38 = 54,917.43/x
  3. Step 3: Cross multiply
    97,358.91x = 134,359.38 × 54,917.43
  4. Step 4: Simplify right side
    97,358.91x = 7,378,671,845.99
  5. Step 5: Solve for x
    x = 7,378,671,845.99/97,358.91
  6. Step 6: Final answer
    x = 75,788.36

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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.