Home / 80,364.22-120,547.70-30,467.82

Finding the Fourth Proportional to 80,364.22, 120,547.70 and 30,467.82

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Solution

The fourth proportional to 80,364.22, 120,547.70 and 30,467.82 is: 45,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,364.22 : 120,547.70 = 30,467.82 : x
  2. Step 2: Convert to fraction form
    80,364.22/120,547.70 = 30,467.82/x
  3. Step 3: Cross multiply
    80,364.22x = 120,547.70 × 30,467.82
  4. Step 4: Simplify right side
    80,364.22x = 3,672,825,625.01
  5. Step 5: Solve for x
    x = 3,672,825,625.01/80,364.22
  6. Step 6: Final answer
    x = 45,702.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.