Home / 100,999.08-151,501.19-41,818.86

Finding the Fourth Proportional to 100,999.08, 151,501.19 and 41,818.86

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Solution

The fourth proportional to 100,999.08, 151,501.19 and 41,818.86 is: 62,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,999.08 : 151,501.19 = 41,818.86 : x
  2. Step 2: Convert to fraction form
    100,999.08/151,501.19 = 41,818.86/x
  3. Step 3: Cross multiply
    100,999.08x = 151,501.19 × 41,818.86
  4. Step 4: Simplify right side
    100,999.08x = 6,335,606,845.35
  5. Step 5: Solve for x
    x = 6,335,606,845.35/100,999.08
  6. Step 6: Final answer
    x = 62,729.35

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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.