Home / 115,233.83-172,928.88-40,354.59

Finding the Fourth Proportional to 115,233.83, 172,928.88 and 40,354.59

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Solution

The fourth proportional to 115,233.83, 172,928.88 and 40,354.59 is: 60,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.83 : 172,928.88 = 40,354.59 : x
  2. Step 2: Convert to fraction form
    115,233.83/172,928.88 = 40,354.59/x
  3. Step 3: Cross multiply
    115,233.83x = 172,928.88 × 40,354.59
  4. Step 4: Simplify right side
    115,233.83x = 6,978,474,051.56
  5. Step 5: Solve for x
    x = 6,978,474,051.56/115,233.83
  6. Step 6: Final answer
    x = 60,559.25

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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.