Home / 112,219.65-168,251.72-42,080.13

Finding the Fourth Proportional to 112,219.65, 168,251.72 and 42,080.13

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Solution

The fourth proportional to 112,219.65, 168,251.72 and 42,080.13 is: 63,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.65 : 168,251.72 = 42,080.13 : x
  2. Step 2: Convert to fraction form
    112,219.65/168,251.72 = 42,080.13/x
  3. Step 3: Cross multiply
    112,219.65x = 168,251.72 × 42,080.13
  4. Step 4: Simplify right side
    112,219.65x = 7,080,054,039.92
  5. Step 5: Solve for x
    x = 7,080,054,039.92/112,219.65
  6. Step 6: Final answer
    x = 63,091.04

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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.