Home / 85,317.14-117,744.26-47,084.28

Finding the Fourth Proportional to 85,317.14, 117,744.26 and 47,084.28

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Solution

The fourth proportional to 85,317.14, 117,744.26 and 47,084.28 is: 64,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.14 : 117,744.26 = 47,084.28 : x
  2. Step 2: Convert to fraction form
    85,317.14/117,744.26 = 47,084.28/x
  3. Step 3: Cross multiply
    85,317.14x = 117,744.26 × 47,084.28
  4. Step 4: Simplify right side
    85,317.14x = 5,543,903,706.23
  5. Step 5: Solve for x
    x = 5,543,903,706.23/85,317.14
  6. Step 6: Final answer
    x = 64,979.95

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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.