Home / 109,865.04-151,612.84-62,127.76

Finding the Fourth Proportional to 109,865.04, 151,612.84 and 62,127.76

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Solution

The fourth proportional to 109,865.04, 151,612.84 and 62,127.76 is: 85,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.04 : 151,612.84 = 62,127.76 : x
  2. Step 2: Convert to fraction form
    109,865.04/151,612.84 = 62,127.76/x
  3. Step 3: Cross multiply
    109,865.04x = 151,612.84 × 62,127.76
  4. Step 4: Simplify right side
    109,865.04x = 9,419,366,136.44
  5. Step 5: Solve for x
    x = 9,419,366,136.44/109,865.04
  6. Step 6: Final answer
    x = 85,735.79

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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.