Home / 112,016.93-154,576.15-66,698.24

Finding the Fourth Proportional to 112,016.93, 154,576.15 and 66,698.24

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Solution

The fourth proportional to 112,016.93, 154,576.15 and 66,698.24 is: 92,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016.93 : 154,576.15 = 66,698.24 : x
  2. Step 2: Convert to fraction form
    112,016.93/154,576.15 = 66,698.24/x
  3. Step 3: Cross multiply
    112,016.93x = 154,576.15 × 66,698.24
  4. Step 4: Simplify right side
    112,016.93x = 10,309,956,211.35
  5. Step 5: Solve for x
    x = 10,309,956,211.35/112,016.93
  6. Step 6: Final answer
    x = 92,039.27

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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.