Home / 109,819.17-151,558.18-62,072.88

Finding the Fourth Proportional to 109,819.17, 151,558.18 and 62,072.88

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Solution

The fourth proportional to 109,819.17, 151,558.18 and 62,072.88 is: 85,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.17 : 151,558.18 = 62,072.88 : x
  2. Step 2: Convert to fraction form
    109,819.17/151,558.18 = 62,072.88/x
  3. Step 3: Cross multiply
    109,819.17x = 151,558.18 × 62,072.88
  4. Step 4: Simplify right side
    109,819.17x = 9,407,652,720.16
  5. Step 5: Solve for x
    x = 9,407,652,720.16/109,819.17
  6. Step 6: Final answer
    x = 85,664.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.