Home / 67,582.64-101,375.40-20,835.44

Finding the Fourth Proportional to 67,582.64, 101,375.40 and 20,835.44

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Solution

The fourth proportional to 67,582.64, 101,375.40 and 20,835.44 is: 31,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,582.64 : 101,375.40 = 20,835.44 : x
  2. Step 2: Convert to fraction form
    67,582.64/101,375.40 = 20,835.44/x
  3. Step 3: Cross multiply
    67,582.64x = 101,375.40 × 20,835.44
  4. Step 4: Simplify right side
    67,582.64x = 2,112,201,064.18
  5. Step 5: Solve for x
    x = 2,112,201,064.18/67,582.64
  6. Step 6: Final answer
    x = 31,253.60

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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.