Home / 112,034.96-154,599-69,585.20

Finding the Fourth Proportional to 112,034.96, 154,599 and 69,585.20

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Solution

The fourth proportional to 112,034.96, 154,599 and 69,585.20 is: 96,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.96 : 154,599 = 69,585.20 : x
  2. Step 2: Convert to fraction form
    112,034.96/154,599 = 69,585.20/x
  3. Step 3: Cross multiply
    112,034.96x = 154,599 × 69,585.20
  4. Step 4: Simplify right side
    112,034.96x = 10,757,802,334.80
  5. Step 5: Solve for x
    x = 10,757,802,334.80/112,034.96
  6. Step 6: Final answer
    x = 96,021.83

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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.