Home / 111,975.24-168,003.78-52,031.40

Finding the Fourth Proportional to 111,975.24, 168,003.78 and 52,031.40

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Solution

The fourth proportional to 111,975.24, 168,003.78 and 52,031.40 is: 78,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.24 : 168,003.78 = 52,031.40 : x
  2. Step 2: Convert to fraction form
    111,975.24/168,003.78 = 52,031.40/x
  3. Step 3: Cross multiply
    111,975.24x = 168,003.78 × 52,031.40
  4. Step 4: Simplify right side
    111,975.24x = 8,741,471,878.69
  5. Step 5: Solve for x
    x = 8,741,471,878.69/111,975.24
  6. Step 6: Final answer
    x = 78,066.11

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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.