Home / 77,258.76-115,940.07-27,338.65

Finding the Fourth Proportional to 77,258.76, 115,940.07 and 27,338.65

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Solution

The fourth proportional to 77,258.76, 115,940.07 and 27,338.65 is: 41,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.76 : 115,940.07 = 27,338.65 : x
  2. Step 2: Convert to fraction form
    77,258.76/115,940.07 = 27,338.65/x
  3. Step 3: Cross multiply
    77,258.76x = 115,940.07 × 27,338.65
  4. Step 4: Simplify right side
    77,258.76x = 3,169,644,994.71
  5. Step 5: Solve for x
    x = 3,169,644,994.71/77,258.76
  6. Step 6: Final answer
    x = 41,026.35

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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.