Home / 105,445.01-158,169.34-38,850.86

Finding the Fourth Proportional to 105,445.01, 158,169.34 and 38,850.86

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Solution

The fourth proportional to 105,445.01, 158,169.34 and 38,850.86 is: 58,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,445.01 : 158,169.34 = 38,850.86 : x
  2. Step 2: Convert to fraction form
    105,445.01/158,169.34 = 38,850.86/x
  3. Step 3: Cross multiply
    105,445.01x = 158,169.34 × 38,850.86
  4. Step 4: Simplify right side
    105,445.01x = 6,145,014,884.63
  5. Step 5: Solve for x
    x = 6,145,014,884.63/105,445.01
  6. Step 6: Final answer
    x = 58,276.96

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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.