Home / 109,836.78-151,581.30-62,094.58

Finding the Fourth Proportional to 109,836.78, 151,581.30 and 62,094.58

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Solution

The fourth proportional to 109,836.78, 151,581.30 and 62,094.58 is: 85,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836.78 : 151,581.30 = 62,094.58 : x
  2. Step 2: Convert to fraction form
    109,836.78/151,581.30 = 62,094.58/x
  3. Step 3: Cross multiply
    109,836.78x = 151,581.30 × 62,094.58
  4. Step 4: Simplify right side
    109,836.78x = 9,412,377,159.35
  5. Step 5: Solve for x
    x = 9,412,377,159.35/109,836.78
  6. Step 6: Final answer
    x = 85,694.22

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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.