Home / 84,755.38-117,005.98-59,716.66

Finding the Fourth Proportional to 84,755.38, 117,005.98 and 59,716.66

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Solution

The fourth proportional to 84,755.38, 117,005.98 and 59,716.66 is: 82,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,755.38 : 117,005.98 = 59,716.66 : x
  2. Step 2: Convert to fraction form
    84,755.38/117,005.98 = 59,716.66/x
  3. Step 3: Cross multiply
    84,755.38x = 117,005.98 × 59,716.66
  4. Step 4: Simplify right side
    84,755.38x = 6,987,206,325.63
  5. Step 5: Solve for x
    x = 6,987,206,325.63/84,755.38
  6. Step 6: Final answer
    x = 82,439.68

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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.