Home / 80,924.88-111,676.32-45,114.12

Finding the Fourth Proportional to 80,924.88, 111,676.32 and 45,114.12

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Solution

The fourth proportional to 80,924.88, 111,676.32 and 45,114.12 is: 62,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924.88 : 111,676.32 = 45,114.12 : x
  2. Step 2: Convert to fraction form
    80,924.88/111,676.32 = 45,114.12/x
  3. Step 3: Cross multiply
    80,924.88x = 111,676.32 × 45,114.12
  4. Step 4: Simplify right side
    80,924.88x = 5,038,178,901.64
  5. Step 5: Solve for x
    x = 5,038,178,901.64/80,924.88
  6. Step 6: Final answer
    x = 62,257.48

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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.