Home / 115,849.40-173,838.90-49,278.20

Finding the Fourth Proportional to 115,849.40, 173,838.90 and 49,278.20

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Solution

The fourth proportional to 115,849.40, 173,838.90 and 49,278.20 is: 73,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,849.40 : 173,838.90 = 49,278.20 : x
  2. Step 2: Convert to fraction form
    115,849.40/173,838.90 = 49,278.20/x
  3. Step 3: Cross multiply
    115,849.40x = 173,838.90 × 49,278.20
  4. Step 4: Simplify right side
    115,849.40x = 8,566,468,081.98
  5. Step 5: Solve for x
    x = 8,566,468,081.98/115,849.40
  6. Step 6: Final answer
    x = 73,944.86

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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.