Home / 105,801.60-158,558.22-53,247.20

Finding the Fourth Proportional to 105,801.60, 158,558.22 and 53,247.20

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Solution

The fourth proportional to 105,801.60, 158,558.22 and 53,247.20 is: 79,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,801.60 : 158,558.22 = 53,247.20 : x
  2. Step 2: Convert to fraction form
    105,801.60/158,558.22 = 53,247.20/x
  3. Step 3: Cross multiply
    105,801.60x = 158,558.22 × 53,247.20
  4. Step 4: Simplify right side
    105,801.60x = 8,442,781,251.98
  5. Step 5: Solve for x
    x = 8,442,781,251.98/105,801.60
  6. Step 6: Final answer
    x = 79,798.24

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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.