Home / 82,571.10-113,948.34-48,580.87

Finding the Fourth Proportional to 82,571.10, 113,948.34 and 48,580.87

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Solution

The fourth proportional to 82,571.10, 113,948.34 and 48,580.87 is: 67,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,571.10 : 113,948.34 = 48,580.87 : x
  2. Step 2: Convert to fraction form
    82,571.10/113,948.34 = 48,580.87/x
  3. Step 3: Cross multiply
    82,571.10x = 113,948.34 × 48,580.87
  4. Step 4: Simplify right side
    82,571.10x = 5,535,709,816.87
  5. Step 5: Solve for x
    x = 5,535,709,816.87/82,571.10
  6. Step 6: Final answer
    x = 67,041.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.