Home / 112,040.64-168,099.84-49,754.88

Finding the Fourth Proportional to 112,040.64, 168,099.84 and 49,754.88

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Solution

The fourth proportional to 112,040.64, 168,099.84 and 49,754.88 is: 74,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.64 : 168,099.84 = 49,754.88 : x
  2. Step 2: Convert to fraction form
    112,040.64/168,099.84 = 49,754.88/x
  3. Step 3: Cross multiply
    112,040.64x = 168,099.84 × 49,754.88
  4. Step 4: Simplify right side
    112,040.64x = 8,363,787,367.22
  5. Step 5: Solve for x
    x = 8,363,787,367.22/112,040.64
  6. Step 6: Final answer
    x = 74,649.59

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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.