Home / 84,063.30-116,015.52-62,805.66

Finding the Fourth Proportional to 84,063.30, 116,015.52 and 62,805.66

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Solution

The fourth proportional to 84,063.30, 116,015.52 and 62,805.66 is: 86,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,063.30 : 116,015.52 = 62,805.66 : x
  2. Step 2: Convert to fraction form
    84,063.30/116,015.52 = 62,805.66/x
  3. Step 3: Cross multiply
    84,063.30x = 116,015.52 × 62,805.66
  4. Step 4: Simplify right side
    84,063.30x = 7,286,431,303.84
  5. Step 5: Solve for x
    x = 7,286,431,303.84/84,063.30
  6. Step 6: Final answer
    x = 86,677.91

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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.