Home / 89,108.74-133,664.80-29,137.24

Finding the Fourth Proportional to 89,108.74, 133,664.80 and 29,137.24

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Solution

The fourth proportional to 89,108.74, 133,664.80 and 29,137.24 is: 43,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,108.74 : 133,664.80 = 29,137.24 : x
  2. Step 2: Convert to fraction form
    89,108.74/133,664.80 = 29,137.24/x
  3. Step 3: Cross multiply
    89,108.74x = 133,664.80 × 29,137.24
  4. Step 4: Simplify right side
    89,108.74x = 3,894,623,357.15
  5. Step 5: Solve for x
    x = 3,894,623,357.15/89,108.74
  6. Step 6: Final answer
    x = 43,706.41

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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.