Home / 105,777.17-158,631.73-55,828.52

Finding the Fourth Proportional to 105,777.17, 158,631.73 and 55,828.52

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Solution

The fourth proportional to 105,777.17, 158,631.73 and 55,828.52 is: 83,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,777.17 : 158,631.73 = 55,828.52 : x
  2. Step 2: Convert to fraction form
    105,777.17/158,631.73 = 55,828.52/x
  3. Step 3: Cross multiply
    105,777.17x = 158,631.73 × 55,828.52
  4. Step 4: Simplify right side
    105,777.17x = 8,856,173,778.21
  5. Step 5: Solve for x
    x = 8,856,173,778.21/105,777.17
  6. Step 6: Final answer
    x = 83,724.82

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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.