Home / 100,835.96-151,218.66-29,739.72

Finding the Fourth Proportional to 100,835.96, 151,218.66 and 29,739.72

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Solution

The fourth proportional to 100,835.96, 151,218.66 and 29,739.72 is: 44,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,835.96 : 151,218.66 = 29,739.72 : x
  2. Step 2: Convert to fraction form
    100,835.96/151,218.66 = 29,739.72/x
  3. Step 3: Cross multiply
    100,835.96x = 151,218.66 × 29,739.72
  4. Step 4: Simplify right side
    100,835.96x = 4,497,200,607.18
  5. Step 5: Solve for x
    x = 4,497,200,607.18/100,835.96
  6. Step 6: Final answer
    x = 44,599.17

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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.