Home / 66,429.60-99,622.72-22,044.43

Finding the Fourth Proportional to 66,429.60, 99,622.72 and 22,044.43

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Solution

The fourth proportional to 66,429.60, 99,622.72 and 22,044.43 is: 33,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.60 : 99,622.72 = 22,044.43 : x
  2. Step 2: Convert to fraction form
    66,429.60/99,622.72 = 22,044.43/x
  3. Step 3: Cross multiply
    66,429.60x = 99,622.72 × 22,044.43
  4. Step 4: Simplify right side
    66,429.60x = 2,196,126,077.45
  5. Step 5: Solve for x
    x = 2,196,126,077.45/66,429.60
  6. Step 6: Final answer
    x = 33,059.45

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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.