Home / 112,375.64-168,562.85-45,815.51

Finding the Fourth Proportional to 112,375.64, 168,562.85 and 45,815.51

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Solution

The fourth proportional to 112,375.64, 168,562.85 and 45,815.51 is: 68,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,375.64 : 168,562.85 = 45,815.51 : x
  2. Step 2: Convert to fraction form
    112,375.64/168,562.85 = 45,815.51/x
  3. Step 3: Cross multiply
    112,375.64x = 168,562.85 × 45,815.51
  4. Step 4: Simplify right side
    112,375.64x = 7,722,791,867.91
  5. Step 5: Solve for x
    x = 7,722,791,867.91/112,375.64
  6. Step 6: Final answer
    x = 68,723.01

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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.