Home / 73,742.32-110,598.60-21,137.68

Finding the Fourth Proportional to 73,742.32, 110,598.60 and 21,137.68

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Solution

The fourth proportional to 73,742.32, 110,598.60 and 21,137.68 is: 31,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,742.32 : 110,598.60 = 21,137.68 : x
  2. Step 2: Convert to fraction form
    73,742.32/110,598.60 = 21,137.68/x
  3. Step 3: Cross multiply
    73,742.32x = 110,598.60 × 21,137.68
  4. Step 4: Simplify right side
    73,742.32x = 2,337,797,815.25
  5. Step 5: Solve for x
    x = 2,337,797,815.25/73,742.32
  6. Step 6: Final answer
    x = 31,702.25

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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.