Home / 82,263.96-123,445.08-75,571.74

Finding the Fourth Proportional to 82,263.96, 123,445.08 and 75,571.74

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Solution

The fourth proportional to 82,263.96, 123,445.08 and 75,571.74 is: 113,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.96 : 123,445.08 = 75,571.74 : x
  2. Step 2: Convert to fraction form
    82,263.96/123,445.08 = 75,571.74/x
  3. Step 3: Cross multiply
    82,263.96x = 123,445.08 × 75,571.74
  4. Step 4: Simplify right side
    82,263.96x = 9,328,959,490.04
  5. Step 5: Solve for x
    x = 9,328,959,490.04/82,263.96
  6. Step 6: Final answer
    x = 113,402.75

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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.