Home / 76,934.64-115,416.90-29,546.25

Finding the Fourth Proportional to 76,934.64, 115,416.90 and 29,546.25

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Solution

The fourth proportional to 76,934.64, 115,416.90 and 29,546.25 is: 44,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.64 : 115,416.90 = 29,546.25 : x
  2. Step 2: Convert to fraction form
    76,934.64/115,416.90 = 29,546.25/x
  3. Step 3: Cross multiply
    76,934.64x = 115,416.90 × 29,546.25
  4. Step 4: Simplify right side
    76,934.64x = 3,410,136,581.63
  5. Step 5: Solve for x
    x = 3,410,136,581.63/76,934.64
  6. Step 6: Final answer
    x = 44,325.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.