Home / 132,742.48-199,107.24-49,630

Finding the Fourth Proportional to 132,742.48, 199,107.24 and 49,630

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Solution

The fourth proportional to 132,742.48, 199,107.24 and 49,630 is: 74,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,742.48 : 199,107.24 = 49,630 : x
  2. Step 2: Convert to fraction form
    132,742.48/199,107.24 = 49,630/x
  3. Step 3: Cross multiply
    132,742.48x = 199,107.24 × 49,630
  4. Step 4: Simplify right side
    132,742.48x = 9,881,692,321.20
  5. Step 5: Solve for x
    x = 9,881,692,321.20/132,742.48
  6. Step 6: Final answer
    x = 74,442.58

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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.