Home / 87,069.42-120,162.96-48,828.24

Finding the Fourth Proportional to 87,069.42, 120,162.96 and 48,828.24

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Solution

The fourth proportional to 87,069.42, 120,162.96 and 48,828.24 is: 67,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,069.42 : 120,162.96 = 48,828.24 : x
  2. Step 2: Convert to fraction form
    87,069.42/120,162.96 = 48,828.24/x
  3. Step 3: Cross multiply
    87,069.42x = 120,162.96 × 48,828.24
  4. Step 4: Simplify right side
    87,069.42x = 5,867,345,849.99
  5. Step 5: Solve for x
    x = 5,867,345,849.99/87,069.42
  6. Step 6: Final answer
    x = 67,386.99

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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.