Home / 73,070.19-109,592.94-20,467.58

Finding the Fourth Proportional to 73,070.19, 109,592.94 and 20,467.58

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Solution

The fourth proportional to 73,070.19, 109,592.94 and 20,467.58 is: 30,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,070.19 : 109,592.94 = 20,467.58 : x
  2. Step 2: Convert to fraction form
    73,070.19/109,592.94 = 20,467.58/x
  3. Step 3: Cross multiply
    73,070.19x = 109,592.94 × 20,467.58
  4. Step 4: Simplify right side
    73,070.19x = 2,243,101,959.99
  5. Step 5: Solve for x
    x = 2,243,101,959.99/73,070.19
  6. Step 6: Final answer
    x = 30,697.91

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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.