Home / 84,279.66-116,288.79-53,665.08

Finding the Fourth Proportional to 84,279.66, 116,288.79 and 53,665.08

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Solution

The fourth proportional to 84,279.66, 116,288.79 and 53,665.08 is: 74,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.66 : 116,288.79 = 53,665.08 : x
  2. Step 2: Convert to fraction form
    84,279.66/116,288.79 = 53,665.08/x
  3. Step 3: Cross multiply
    84,279.66x = 116,288.79 × 53,665.08
  4. Step 4: Simplify right side
    84,279.66x = 6,240,647,218.45
  5. Step 5: Solve for x
    x = 6,240,647,218.45/84,279.66
  6. Step 6: Final answer
    x = 74,046.90

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1.5x scale

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.