Home / 124,834.62-172,249.63-73,849.50

Finding the Fourth Proportional to 124,834.62, 172,249.63 and 73,849.50

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Solution

The fourth proportional to 124,834.62, 172,249.63 and 73,849.50 is: 101,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.62 : 172,249.63 = 73,849.50 : x
  2. Step 2: Convert to fraction form
    124,834.62/172,249.63 = 73,849.50/x
  3. Step 3: Cross multiply
    124,834.62x = 172,249.63 × 73,849.50
  4. Step 4: Simplify right side
    124,834.62x = 12,720,549,050.69
  5. Step 5: Solve for x
    x = 12,720,549,050.69/124,834.62
  6. Step 6: Final answer
    x = 101,899.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.