Home / 89,175.33-133,780.47-33,015.90

Finding the Fourth Proportional to 89,175.33, 133,780.47 and 33,015.90

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Solution

The fourth proportional to 89,175.33, 133,780.47 and 33,015.90 is: 49,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,175.33 : 133,780.47 = 33,015.90 : x
  2. Step 2: Convert to fraction form
    89,175.33/133,780.47 = 33,015.90/x
  3. Step 3: Cross multiply
    89,175.33x = 133,780.47 × 33,015.90
  4. Step 4: Simplify right side
    89,175.33x = 4,416,882,619.47
  5. Step 5: Solve for x
    x = 4,416,882,619.47/89,175.33
  6. Step 6: Final answer
    x = 49,530.32

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1.5x scale

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.