Home / 76,766.76-115,162.28-22,736.93

Finding the Fourth Proportional to 76,766.76, 115,162.28 and 22,736.93

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Solution

The fourth proportional to 76,766.76, 115,162.28 and 22,736.93 is: 34,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.76 : 115,162.28 = 22,736.93 : x
  2. Step 2: Convert to fraction form
    76,766.76/115,162.28 = 22,736.93/x
  3. Step 3: Cross multiply
    76,766.76x = 115,162.28 × 22,736.93
  4. Step 4: Simplify right side
    76,766.76x = 2,618,436,009.50
  5. Step 5: Solve for x
    x = 2,618,436,009.50/76,766.76
  6. Step 6: Final answer
    x = 34,108.98

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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.