Home / 82,130.96-123,196.44-29,544.55

Finding the Fourth Proportional to 82,130.96, 123,196.44 and 29,544.55

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Solution

The fourth proportional to 82,130.96, 123,196.44 and 29,544.55 is: 44,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.96 : 123,196.44 = 29,544.55 : x
  2. Step 2: Convert to fraction form
    82,130.96/123,196.44 = 29,544.55/x
  3. Step 3: Cross multiply
    82,130.96x = 123,196.44 × 29,544.55
  4. Step 4: Simplify right side
    82,130.96x = 3,639,783,184.20
  5. Step 5: Solve for x
    x = 3,639,783,184.20/82,130.96
  6. Step 6: Final answer
    x = 44,316.82

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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.