Home / 75,498.21-113,279.64-25,583.58

Finding the Fourth Proportional to 75,498.21, 113,279.64 and 25,583.58

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Solution

The fourth proportional to 75,498.21, 113,279.64 and 25,583.58 is: 38,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,498.21 : 113,279.64 = 25,583.58 : x
  2. Step 2: Convert to fraction form
    75,498.21/113,279.64 = 25,583.58/x
  3. Step 3: Cross multiply
    75,498.21x = 113,279.64 × 25,583.58
  4. Step 4: Simplify right side
    75,498.21x = 2,898,098,732.31
  5. Step 5: Solve for x
    x = 2,898,098,732.31/75,498.21
  6. Step 6: Final answer
    x = 38,386.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.