Home / 80,872.28-111,606.09-46,880.90

Finding the Fourth Proportional to 80,872.28, 111,606.09 and 46,880.90

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Solution

The fourth proportional to 80,872.28, 111,606.09 and 46,880.90 is: 64,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,872.28 : 111,606.09 = 46,880.90 : x
  2. Step 2: Convert to fraction form
    80,872.28/111,606.09 = 46,880.90/x
  3. Step 3: Cross multiply
    80,872.28x = 111,606.09 × 46,880.90
  4. Step 4: Simplify right side
    80,872.28x = 5,232,193,944.68
  5. Step 5: Solve for x
    x = 5,232,193,944.68/80,872.28
  6. Step 6: Final answer
    x = 64,697.00

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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.