Home / 80,890.66-121,336.31-24,730.56

Finding the Fourth Proportional to 80,890.66, 121,336.31 and 24,730.56

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Solution

The fourth proportional to 80,890.66, 121,336.31 and 24,730.56 is: 37,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890.66 : 121,336.31 = 24,730.56 : x
  2. Step 2: Convert to fraction form
    80,890.66/121,336.31 = 24,730.56/x
  3. Step 3: Cross multiply
    80,890.66x = 121,336.31 × 24,730.56
  4. Step 4: Simplify right side
    80,890.66x = 3,000,714,894.63
  5. Step 5: Solve for x
    x = 3,000,714,894.63/80,890.66
  6. Step 6: Final answer
    x = 37,095.94

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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.