Home / 89,042.88-133,616.16-33,643.20

Finding the Fourth Proportional to 89,042.88, 133,616.16 and 33,643.20

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Solution

The fourth proportional to 89,042.88, 133,616.16 and 33,643.20 is: 50,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,042.88 : 133,616.16 = 33,643.20 : x
  2. Step 2: Convert to fraction form
    89,042.88/133,616.16 = 33,643.20/x
  3. Step 3: Cross multiply
    89,042.88x = 133,616.16 × 33,643.20
  4. Step 4: Simplify right side
    89,042.88x = 4,495,275,194.11
  5. Step 5: Solve for x
    x = 4,495,275,194.11/89,042.88
  6. Step 6: Final answer
    x = 50,484.39

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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.