Home / 80,639.94-120,946.27-24,466.51

Finding the Fourth Proportional to 80,639.94, 120,946.27 and 24,466.51

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Solution

The fourth proportional to 80,639.94, 120,946.27 and 24,466.51 is: 36,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,639.94 : 120,946.27 = 24,466.51 : x
  2. Step 2: Convert to fraction form
    80,639.94/120,946.27 = 24,466.51/x
  3. Step 3: Cross multiply
    80,639.94x = 120,946.27 × 24,466.51
  4. Step 4: Simplify right side
    80,639.94x = 2,959,132,749.82
  5. Step 5: Solve for x
    x = 2,959,132,749.82/80,639.94
  6. Step 6: Final answer
    x = 36,695.62

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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.