Home / 84,702.36-116,889.84-46,979.04

Finding the Fourth Proportional to 84,702.36, 116,889.84 and 46,979.04

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Solution

The fourth proportional to 84,702.36, 116,889.84 and 46,979.04 is: 64,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,702.36 : 116,889.84 = 46,979.04 : x
  2. Step 2: Convert to fraction form
    84,702.36/116,889.84 = 46,979.04/x
  3. Step 3: Cross multiply
    84,702.36x = 116,889.84 × 46,979.04
  4. Step 4: Simplify right side
    84,702.36x = 5,491,372,468.95
  5. Step 5: Solve for x
    x = 5,491,372,468.95/84,702.36
  6. Step 6: Final answer
    x = 64,831.40

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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.