Home / 85,376.34-117,819.33-49,573.14

Finding the Fourth Proportional to 85,376.34, 117,819.33 and 49,573.14

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Solution

The fourth proportional to 85,376.34, 117,819.33 and 49,573.14 is: 68,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376.34 : 117,819.33 = 49,573.14 : x
  2. Step 2: Convert to fraction form
    85,376.34/117,819.33 = 49,573.14/x
  3. Step 3: Cross multiply
    85,376.34x = 117,819.33 × 49,573.14
  4. Step 4: Simplify right side
    85,376.34x = 5,840,674,140.80
  5. Step 5: Solve for x
    x = 5,840,674,140.80/85,376.34
  6. Step 6: Final answer
    x = 68,410.92

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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.