Home / 91,782.03-137,714.34-49,612.73

Finding the Fourth Proportional to 91,782.03, 137,714.34 and 49,612.73

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Solution

The fourth proportional to 91,782.03, 137,714.34 and 49,612.73 is: 74,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.03 : 137,714.34 = 49,612.73 : x
  2. Step 2: Convert to fraction form
    91,782.03/137,714.34 = 49,612.73/x
  3. Step 3: Cross multiply
    91,782.03x = 137,714.34 × 49,612.73
  4. Step 4: Simplify right side
    91,782.03x = 6,832,384,367.55
  5. Step 5: Solve for x
    x = 6,832,384,367.55/91,782.03
  6. Step 6: Final answer
    x = 74,441.42

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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.