Home / 82,199.15-123,289.07-23,039.58

Finding the Fourth Proportional to 82,199.15, 123,289.07 and 23,039.58

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Solution

The fourth proportional to 82,199.15, 123,289.07 and 23,039.58 is: 34,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,199.15 : 123,289.07 = 23,039.58 : x
  2. Step 2: Convert to fraction form
    82,199.15/123,289.07 = 23,039.58/x
  3. Step 3: Cross multiply
    82,199.15x = 123,289.07 × 23,039.58
  4. Step 4: Simplify right side
    82,199.15x = 2,840,528,276.19
  5. Step 5: Solve for x
    x = 2,840,528,276.19/82,199.15
  6. Step 6: Final answer
    x = 34,556.66

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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.