Home / 105,800.60-158,556.72-53,246.20

Finding the Fourth Proportional to 105,800.60, 158,556.72 and 53,246.20

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Solution

The fourth proportional to 105,800.60, 158,556.72 and 53,246.20 is: 79,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.60 : 158,556.72 = 53,246.20 : x
  2. Step 2: Convert to fraction form
    105,800.60/158,556.72 = 53,246.20/x
  3. Step 3: Cross multiply
    105,800.60x = 158,556.72 × 53,246.20
  4. Step 4: Simplify right side
    105,800.60x = 8,442,542,824.46
  5. Step 5: Solve for x
    x = 8,442,542,824.46/105,800.60
  6. Step 6: Final answer
    x = 79,796.74

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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.