Home / 101,049.12-151,563.60-30,929.04

Finding the Fourth Proportional to 101,049.12, 151,563.60 and 30,929.04

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Solution

The fourth proportional to 101,049.12, 151,563.60 and 30,929.04 is: 46,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,049.12 : 151,563.60 = 30,929.04 : x
  2. Step 2: Convert to fraction form
    101,049.12/151,563.60 = 30,929.04/x
  3. Step 3: Cross multiply
    101,049.12x = 151,563.60 × 30,929.04
  4. Step 4: Simplify right side
    101,049.12x = 4,687,716,646.94
  5. Step 5: Solve for x
    x = 4,687,716,646.94/101,049.12
  6. Step 6: Final answer
    x = 46,390.47

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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.