Home / 89,255.25-133,877.43-36,663.39

Finding the Fourth Proportional to 89,255.25, 133,877.43 and 36,663.39

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Solution

The fourth proportional to 89,255.25, 133,877.43 and 36,663.39 is: 54,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.25 : 133,877.43 = 36,663.39 : x
  2. Step 2: Convert to fraction form
    89,255.25/133,877.43 = 36,663.39/x
  3. Step 3: Cross multiply
    89,255.25x = 133,877.43 × 36,663.39
  4. Step 4: Simplify right side
    89,255.25x = 4,908,400,428.29
  5. Step 5: Solve for x
    x = 4,908,400,428.29/89,255.25
  6. Step 6: Final answer
    x = 54,992.85

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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.