Home / 112,001.46-168,068.34-40,917.78

Finding the Fourth Proportional to 112,001.46, 168,068.34 and 40,917.78

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Solution

The fourth proportional to 112,001.46, 168,068.34 and 40,917.78 is: 61,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.46 : 168,068.34 = 40,917.78 : x
  2. Step 2: Convert to fraction form
    112,001.46/168,068.34 = 40,917.78/x
  3. Step 3: Cross multiply
    112,001.46x = 168,068.34 × 40,917.78
  4. Step 4: Simplify right side
    112,001.46x = 6,876,983,361.09
  5. Step 5: Solve for x
    x = 6,876,983,361.09/112,001.46
  6. Step 6: Final answer
    x = 61,400.84

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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.