Home / 89,342.29-133,983.67-36,020.49

Finding the Fourth Proportional to 89,342.29, 133,983.67 and 36,020.49

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Solution

The fourth proportional to 89,342.29, 133,983.67 and 36,020.49 is: 54,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,342.29 : 133,983.67 = 36,020.49 : x
  2. Step 2: Convert to fraction form
    89,342.29/133,983.67 = 36,020.49/x
  3. Step 3: Cross multiply
    89,342.29x = 133,983.67 × 36,020.49
  4. Step 4: Simplify right side
    89,342.29x = 4,826,157,445.40
  5. Step 5: Solve for x
    x = 4,826,157,445.40/89,342.29
  6. Step 6: Final answer
    x = 54,018.73

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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.