Home / 85,302.29-117,716.04-47,063.45

Finding the Fourth Proportional to 85,302.29, 117,716.04 and 47,063.45

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Solution

The fourth proportional to 85,302.29, 117,716.04 and 47,063.45 is: 64,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,302.29 : 117,716.04 = 47,063.45 : x
  2. Step 2: Convert to fraction form
    85,302.29/117,716.04 = 47,063.45/x
  3. Step 3: Cross multiply
    85,302.29x = 117,716.04 × 47,063.45
  4. Step 4: Simplify right side
    85,302.29x = 5,540,123,257.03
  5. Step 5: Solve for x
    x = 5,540,123,257.03/85,302.29
  6. Step 6: Final answer
    x = 64,946.94

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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.