Home / 76,505.92-114,546.04-38,985.10

Finding the Fourth Proportional to 76,505.92, 114,546.04 and 38,985.10

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Solution

The fourth proportional to 76,505.92, 114,546.04 and 38,985.10 is: 58,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,505.92 : 114,546.04 = 38,985.10 : x
  2. Step 2: Convert to fraction form
    76,505.92/114,546.04 = 38,985.10/x
  3. Step 3: Cross multiply
    76,505.92x = 114,546.04 × 38,985.10
  4. Step 4: Simplify right side
    76,505.92x = 4,465,588,824.00
  5. Step 5: Solve for x
    x = 4,465,588,824.00/76,505.92
  6. Step 6: Final answer
    x = 58,369.19

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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.