Home / 89,161.30-133,762.43-29,995.44

Finding the Fourth Proportional to 89,161.30, 133,762.43 and 29,995.44

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Solution

The fourth proportional to 89,161.30, 133,762.43 and 29,995.44 is: 45,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.30 : 133,762.43 = 29,995.44 : x
  2. Step 2: Convert to fraction form
    89,161.30/133,762.43 = 29,995.44/x
  3. Step 3: Cross multiply
    89,161.30x = 133,762.43 × 29,995.44
  4. Step 4: Simplify right side
    89,161.30x = 4,012,262,943.32
  5. Step 5: Solve for x
    x = 4,012,262,943.32/89,161.30
  6. Step 6: Final answer
    x = 45,000.05

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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.