Home / 82,228.48-123,224.64-40,626.88

Finding the Fourth Proportional to 82,228.48, 123,224.64 and 40,626.88

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Solution

The fourth proportional to 82,228.48, 123,224.64 and 40,626.88 is: 60,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,228.48 : 123,224.64 = 40,626.88 : x
  2. Step 2: Convert to fraction form
    82,228.48/123,224.64 = 40,626.88/x
  3. Step 3: Cross multiply
    82,228.48x = 123,224.64 × 40,626.88
  4. Step 4: Simplify right side
    82,228.48x = 5,006,232,662.32
  5. Step 5: Solve for x
    x = 5,006,232,662.32/82,228.48
  6. Step 6: Final answer
    x = 60,881.98

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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.