Home / 84,869.70-117,068.25-50,391.06

Finding the Fourth Proportional to 84,869.70, 117,068.25 and 50,391.06

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Solution

The fourth proportional to 84,869.70, 117,068.25 and 50,391.06 is: 69,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.70 : 117,068.25 = 50,391.06 : x
  2. Step 2: Convert to fraction form
    84,869.70/117,068.25 = 50,391.06/x
  3. Step 3: Cross multiply
    84,869.70x = 117,068.25 × 50,391.06
  4. Step 4: Simplify right side
    84,869.70x = 5,899,193,803.12
  5. Step 5: Solve for x
    x = 5,899,193,803.12/84,869.70
  6. Step 6: Final answer
    x = 69,508.84

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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.