Home / 82,280.66-123,386.09-32,352.80

Finding the Fourth Proportional to 82,280.66, 123,386.09 and 32,352.80

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Solution

The fourth proportional to 82,280.66, 123,386.09 and 32,352.80 is: 48,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,280.66 : 123,386.09 = 32,352.80 : x
  2. Step 2: Convert to fraction form
    82,280.66/123,386.09 = 32,352.80/x
  3. Step 3: Cross multiply
    82,280.66x = 123,386.09 × 32,352.80
  4. Step 4: Simplify right side
    82,280.66x = 3,991,884,713.86
  5. Step 5: Solve for x
    x = 3,991,884,713.86/82,280.66
  6. Step 6: Final answer
    x = 48,515.47

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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.