Home / 89,161.60-133,756.08-29,983.36

Finding the Fourth Proportional to 89,161.60, 133,756.08 and 29,983.36

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Solution

The fourth proportional to 89,161.60, 133,756.08 and 29,983.36 is: 44,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.60 : 133,756.08 = 29,983.36 : x
  2. Step 2: Convert to fraction form
    89,161.60/133,756.08 = 29,983.36/x
  3. Step 3: Cross multiply
    89,161.60x = 133,756.08 × 29,983.36
  4. Step 4: Simplify right side
    89,161.60x = 4,010,456,698.83
  5. Step 5: Solve for x
    x = 4,010,456,698.83/89,161.60
  6. Step 6: Final answer
    x = 44,979.64

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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.