Home / 82,785.62-124,199.39-23,621.50

Finding the Fourth Proportional to 82,785.62, 124,199.39 and 23,621.50

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Solution

The fourth proportional to 82,785.62, 124,199.39 and 23,621.50 is: 35,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.62 : 124,199.39 = 23,621.50 : x
  2. Step 2: Convert to fraction form
    82,785.62/124,199.39 = 23,621.50/x
  3. Step 3: Cross multiply
    82,785.62x = 124,199.39 × 23,621.50
  4. Step 4: Simplify right side
    82,785.62x = 2,933,776,105.19
  5. Step 5: Solve for x
    x = 2,933,776,105.19/82,785.62
  6. Step 6: Final answer
    x = 35,438.23

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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.