Home / 79,253.73-109,381.32-49,048.74

Finding the Fourth Proportional to 79,253.73, 109,381.32 and 49,048.74

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Solution

The fourth proportional to 79,253.73, 109,381.32 and 49,048.74 is: 67,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,253.73 : 109,381.32 = 49,048.74 : x
  2. Step 2: Convert to fraction form
    79,253.73/109,381.32 = 49,048.74/x
  3. Step 3: Cross multiply
    79,253.73x = 109,381.32 × 49,048.74
  4. Step 4: Simplify right side
    79,253.73x = 5,365,015,925.54
  5. Step 5: Solve for x
    x = 5,365,015,925.54/79,253.73
  6. Step 6: Final answer
    x = 67,694.18

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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.