Home / 76,844.26-115,280.28-34,744.16

Finding the Fourth Proportional to 76,844.26, 115,280.28 and 34,744.16

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Solution

The fourth proportional to 76,844.26, 115,280.28 and 34,744.16 is: 52,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,844.26 : 115,280.28 = 34,744.16 : x
  2. Step 2: Convert to fraction form
    76,844.26/115,280.28 = 34,744.16/x
  3. Step 3: Cross multiply
    76,844.26x = 115,280.28 × 34,744.16
  4. Step 4: Simplify right side
    76,844.26x = 4,005,316,781.37
  5. Step 5: Solve for x
    x = 4,005,316,781.37/76,844.26
  6. Step 6: Final answer
    x = 52,122.52

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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.