Home / 84,118.32-116,081.28-46,393.20

Finding the Fourth Proportional to 84,118.32, 116,081.28 and 46,393.20

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Solution

The fourth proportional to 84,118.32, 116,081.28 and 46,393.20 is: 64,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118.32 : 116,081.28 = 46,393.20 : x
  2. Step 2: Convert to fraction form
    84,118.32/116,081.28 = 46,393.20/x
  3. Step 3: Cross multiply
    84,118.32x = 116,081.28 × 46,393.20
  4. Step 4: Simplify right side
    84,118.32x = 5,385,382,039.30
  5. Step 5: Solve for x
    x = 5,385,382,039.30/84,118.32
  6. Step 6: Final answer
    x = 64,021.51

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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.