Home / 111,999.32-168,031.79-33,115.60

Finding the Fourth Proportional to 111,999.32, 168,031.79 and 33,115.60

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Solution

The fourth proportional to 111,999.32, 168,031.79 and 33,115.60 is: 49,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,999.32 : 168,031.79 = 33,115.60 : x
  2. Step 2: Convert to fraction form
    111,999.32/168,031.79 = 33,115.60/x
  3. Step 3: Cross multiply
    111,999.32x = 168,031.79 × 33,115.60
  4. Step 4: Simplify right side
    111,999.32x = 5,564,473,544.92
  5. Step 5: Solve for x
    x = 5,564,473,544.92/111,999.32
  6. Step 6: Final answer
    x = 49,683.10

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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.