Home / 112,088.56-154,691.46-64,351.12

Finding the Fourth Proportional to 112,088.56, 154,691.46 and 64,351.12

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Solution

The fourth proportional to 112,088.56, 154,691.46 and 64,351.12 is: 88,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,088.56 : 154,691.46 = 64,351.12 : x
  2. Step 2: Convert to fraction form
    112,088.56/154,691.46 = 64,351.12/x
  3. Step 3: Cross multiply
    112,088.56x = 154,691.46 × 64,351.12
  4. Step 4: Simplify right side
    112,088.56x = 9,954,568,705.44
  5. Step 5: Solve for x
    x = 9,954,568,705.44/112,088.56
  6. Step 6: Final answer
    x = 88,809.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.