Home / 76,725.40-115,103.78-32,352.20

Finding the Fourth Proportional to 76,725.40, 115,103.78 and 32,352.20

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Solution

The fourth proportional to 76,725.40, 115,103.78 and 32,352.20 is: 48,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,725.40 : 115,103.78 = 32,352.20 : x
  2. Step 2: Convert to fraction form
    76,725.40/115,103.78 = 32,352.20/x
  3. Step 3: Cross multiply
    76,725.40x = 115,103.78 × 32,352.20
  4. Step 4: Simplify right side
    76,725.40x = 3,723,860,511.32
  5. Step 5: Solve for x
    x = 3,723,860,511.32/76,725.40
  6. Step 6: Final answer
    x = 48,534.91

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1.5x scale

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.