Home / 80,339.32-110,903.58-56,234.96

Finding the Fourth Proportional to 80,339.32, 110,903.58 and 56,234.96

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Solution

The fourth proportional to 80,339.32, 110,903.58 and 56,234.96 is: 77,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,339.32 : 110,903.58 = 56,234.96 : x
  2. Step 2: Convert to fraction form
    80,339.32/110,903.58 = 56,234.96/x
  3. Step 3: Cross multiply
    80,339.32x = 110,903.58 × 56,234.96
  4. Step 4: Simplify right side
    80,339.32x = 6,236,657,830.64
  5. Step 5: Solve for x
    x = 6,236,657,830.64/80,339.32
  6. Step 6: Final answer
    x = 77,628.96

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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.