Home / 84,814.84-117,039.91-47,086.66

Finding the Fourth Proportional to 84,814.84, 117,039.91 and 47,086.66

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Solution

The fourth proportional to 84,814.84, 117,039.91 and 47,086.66 is: 64,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814.84 : 117,039.91 = 47,086.66 : x
  2. Step 2: Convert to fraction form
    84,814.84/117,039.91 = 47,086.66/x
  3. Step 3: Cross multiply
    84,814.84x = 117,039.91 × 47,086.66
  4. Step 4: Simplify right side
    84,814.84x = 5,511,018,448.60
  5. Step 5: Solve for x
    x = 5,511,018,448.60/84,814.84
  6. Step 6: Final answer
    x = 64,977.05

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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.