Home / 80,137.32-110,612.58-56,269.80

Finding the Fourth Proportional to 80,137.32, 110,612.58 and 56,269.80

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Solution

The fourth proportional to 80,137.32, 110,612.58 and 56,269.80 is: 77,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,137.32 : 110,612.58 = 56,269.80 : x
  2. Step 2: Convert to fraction form
    80,137.32/110,612.58 = 56,269.80/x
  3. Step 3: Cross multiply
    80,137.32x = 110,612.58 × 56,269.80
  4. Step 4: Simplify right side
    80,137.32x = 6,224,147,754.08
  5. Step 5: Solve for x
    x = 6,224,147,754.08/80,137.32
  6. Step 6: Final answer
    x = 77,668.53

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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.