Home / 84,769.74-116,981.28-48,959.64

Finding the Fourth Proportional to 84,769.74, 116,981.28 and 48,959.64

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Solution

The fourth proportional to 84,769.74, 116,981.28 and 48,959.64 is: 67,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,769.74 : 116,981.28 = 48,959.64 : x
  2. Step 2: Convert to fraction form
    84,769.74/116,981.28 = 48,959.64/x
  3. Step 3: Cross multiply
    84,769.74x = 116,981.28 × 48,959.64
  4. Step 4: Simplify right side
    84,769.74x = 5,727,361,355.54
  5. Step 5: Solve for x
    x = 5,727,361,355.54/84,769.74
  6. Step 6: Final answer
    x = 67,563.75

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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.