Home / 103,682.92-155,557.02-37,121.64

Finding the Fourth Proportional to 103,682.92, 155,557.02 and 37,121.64

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Solution

The fourth proportional to 103,682.92, 155,557.02 and 37,121.64 is: 55,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682.92 : 155,557.02 = 37,121.64 : x
  2. Step 2: Convert to fraction form
    103,682.92/155,557.02 = 37,121.64/x
  3. Step 3: Cross multiply
    103,682.92x = 155,557.02 × 37,121.64
  4. Step 4: Simplify right side
    103,682.92x = 5,774,531,695.91
  5. Step 5: Solve for x
    x = 5,774,531,695.91/103,682.92
  6. Step 6: Final answer
    x = 55,694.15

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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.