Home / 100,871.58-151,327.30-29,795.45

Finding the Fourth Proportional to 100,871.58, 151,327.30 and 29,795.45

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Solution

The fourth proportional to 100,871.58, 151,327.30 and 29,795.45 is: 44,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,871.58 : 151,327.30 = 29,795.45 : x
  2. Step 2: Convert to fraction form
    100,871.58/151,327.30 = 29,795.45/x
  3. Step 3: Cross multiply
    100,871.58x = 151,327.30 × 29,795.45
  4. Step 4: Simplify right side
    100,871.58x = 4,508,865,000.79
  5. Step 5: Solve for x
    x = 4,508,865,000.79/100,871.58
  6. Step 6: Final answer
    x = 44,699.06

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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.