Home / 81,276.68-112,161.30-45,466.52

Finding the Fourth Proportional to 81,276.68, 112,161.30 and 45,466.52

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Solution

The fourth proportional to 81,276.68, 112,161.30 and 45,466.52 is: 62,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,276.68 : 112,161.30 = 45,466.52 : x
  2. Step 2: Convert to fraction form
    81,276.68/112,161.30 = 45,466.52/x
  3. Step 3: Cross multiply
    81,276.68x = 112,161.30 × 45,466.52
  4. Step 4: Simplify right side
    81,276.68x = 5,099,583,989.68
  5. Step 5: Solve for x
    x = 5,099,583,989.68/81,276.68
  6. Step 6: Final answer
    x = 62,743.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.