Home / 76,487.06-114,713.26-29,085.25

Finding the Fourth Proportional to 76,487.06, 114,713.26 and 29,085.25

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Solution

The fourth proportional to 76,487.06, 114,713.26 and 29,085.25 is: 43,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.06 : 114,713.26 = 29,085.25 : x
  2. Step 2: Convert to fraction form
    76,487.06/114,713.26 = 29,085.25/x
  3. Step 3: Cross multiply
    76,487.06x = 114,713.26 × 29,085.25
  4. Step 4: Simplify right side
    76,487.06x = 3,336,463,845.42
  5. Step 5: Solve for x
    x = 3,336,463,845.42/76,487.06
  6. Step 6: Final answer
    x = 43,621.29

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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.