Home / 100,861.55-151,257.02-29,765.32

Finding the Fourth Proportional to 100,861.55, 151,257.02 and 29,765.32

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Solution

The fourth proportional to 100,861.55, 151,257.02 and 29,765.32 is: 44,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.55 : 151,257.02 = 29,765.32 : x
  2. Step 2: Convert to fraction form
    100,861.55/151,257.02 = 29,765.32/x
  3. Step 3: Cross multiply
    100,861.55x = 151,257.02 × 29,765.32
  4. Step 4: Simplify right side
    100,861.55x = 4,502,214,093.83
  5. Step 5: Solve for x
    x = 4,502,214,093.83/100,861.55
  6. Step 6: Final answer
    x = 44,637.56

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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.