Home / 89,642.82-134,474.09-29,649.45

Finding the Fourth Proportional to 89,642.82, 134,474.09 and 29,649.45

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Solution

The fourth proportional to 89,642.82, 134,474.09 and 29,649.45 is: 44,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642.82 : 134,474.09 = 29,649.45 : x
  2. Step 2: Convert to fraction form
    89,642.82/134,474.09 = 29,649.45/x
  3. Step 3: Cross multiply
    89,642.82x = 134,474.09 × 29,649.45
  4. Step 4: Simplify right side
    89,642.82x = 3,987,082,807.75
  5. Step 5: Solve for x
    x = 3,987,082,807.75/89,642.82
  6. Step 6: Final answer
    x = 44,477.44

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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.