Home / 112,282.78-168,431.46-37,399.90

Finding the Fourth Proportional to 112,282.78, 168,431.46 and 37,399.90

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Solution

The fourth proportional to 112,282.78, 168,431.46 and 37,399.90 is: 56,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.78 : 168,431.46 = 37,399.90 : x
  2. Step 2: Convert to fraction form
    112,282.78/168,431.46 = 37,399.90/x
  3. Step 3: Cross multiply
    112,282.78x = 168,431.46 × 37,399.90
  4. Step 4: Simplify right side
    112,282.78x = 6,299,319,760.85
  5. Step 5: Solve for x
    x = 6,299,319,760.85/112,282.78
  6. Step 6: Final answer
    x = 56,102.28

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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.