Home / 80,118.08-110,589.24-56,250.68

Finding the Fourth Proportional to 80,118.08, 110,589.24 and 56,250.68

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Solution

The fourth proportional to 80,118.08, 110,589.24 and 56,250.68 is: 77,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,118.08 : 110,589.24 = 56,250.68 : x
  2. Step 2: Convert to fraction form
    80,118.08/110,589.24 = 56,250.68/x
  3. Step 3: Cross multiply
    80,118.08x = 110,589.24 × 56,250.68
  4. Step 4: Simplify right side
    80,118.08x = 6,220,719,950.68
  5. Step 5: Solve for x
    x = 6,220,719,950.68/80,118.08
  6. Step 6: Final answer
    x = 77,644.40

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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.