Home / 76,790.68-115,186.32-29,394.74

Finding the Fourth Proportional to 76,790.68, 115,186.32 and 29,394.74

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Solution

The fourth proportional to 76,790.68, 115,186.32 and 29,394.74 is: 44,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,790.68 : 115,186.32 = 29,394.74 : x
  2. Step 2: Convert to fraction form
    76,790.68/115,186.32 = 29,394.74/x
  3. Step 3: Cross multiply
    76,790.68x = 115,186.32 × 29,394.74
  4. Step 4: Simplify right side
    76,790.68x = 3,385,872,215.92
  5. Step 5: Solve for x
    x = 3,385,872,215.92/76,790.68
  6. Step 6: Final answer
    x = 44,092.23

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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.