Home / 85,218.14-117,601.88-46,979.16

Finding the Fourth Proportional to 85,218.14, 117,601.88 and 46,979.16

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Solution

The fourth proportional to 85,218.14, 117,601.88 and 46,979.16 is: 64,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,218.14 : 117,601.88 = 46,979.16 : x
  2. Step 2: Convert to fraction form
    85,218.14/117,601.88 = 46,979.16/x
  3. Step 3: Cross multiply
    85,218.14x = 117,601.88 × 46,979.16
  4. Step 4: Simplify right side
    85,218.14x = 5,524,837,301.93
  5. Step 5: Solve for x
    x = 5,524,837,301.93/85,218.14
  6. Step 6: Final answer
    x = 64,831.71

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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.