Home / 76,793.85-115,202.93-26,872.74

Finding the Fourth Proportional to 76,793.85, 115,202.93 and 26,872.74

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Solution

The fourth proportional to 76,793.85, 115,202.93 and 26,872.74 is: 40,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,793.85 : 115,202.93 = 26,872.74 : x
  2. Step 2: Convert to fraction form
    76,793.85/115,202.93 = 26,872.74/x
  3. Step 3: Cross multiply
    76,793.85x = 115,202.93 × 26,872.74
  4. Step 4: Simplify right side
    76,793.85x = 3,095,818,250.76
  5. Step 5: Solve for x
    x = 3,095,818,250.76/76,793.85
  6. Step 6: Final answer
    x = 40,313.36

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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.