Home / 112,621.39-168,882.27-33,720.91

Finding the Fourth Proportional to 112,621.39, 168,882.27 and 33,720.91

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Solution

The fourth proportional to 112,621.39, 168,882.27 and 33,720.91 is: 50,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,621.39 : 168,882.27 = 33,720.91 : x
  2. Step 2: Convert to fraction form
    112,621.39/168,882.27 = 33,720.91/x
  3. Step 3: Cross multiply
    112,621.39x = 168,882.27 × 33,720.91
  4. Step 4: Simplify right side
    112,621.39x = 5,694,863,278.61
  5. Step 5: Solve for x
    x = 5,694,863,278.61/112,621.39
  6. Step 6: Final answer
    x = 50,566.45

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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.