Home / 89,625.88-134,467.07-42,239.05

Finding the Fourth Proportional to 89,625.88, 134,467.07 and 42,239.05

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Solution

The fourth proportional to 89,625.88, 134,467.07 and 42,239.05 is: 63,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625.88 : 134,467.07 = 42,239.05 : x
  2. Step 2: Convert to fraction form
    89,625.88/134,467.07 = 42,239.05/x
  3. Step 3: Cross multiply
    89,625.88x = 134,467.07 × 42,239.05
  4. Step 4: Simplify right side
    89,625.88x = 5,679,761,293.08
  5. Step 5: Solve for x
    x = 5,679,761,293.08/89,625.88
  6. Step 6: Final answer
    x = 63,371.89

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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.