Home / 45,631.32-68,400.52-30,841.74

Finding the Fourth Proportional to 45,631.32, 68,400.52 and 30,841.74

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Solution

The fourth proportional to 45,631.32, 68,400.52 and 30,841.74 is: 46,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.32 : 68,400.52 = 30,841.74 : x
  2. Step 2: Convert to fraction form
    45,631.32/68,400.52 = 30,841.74/x
  3. Step 3: Cross multiply
    45,631.32x = 68,400.52 × 30,841.74
  4. Step 4: Simplify right side
    45,631.32x = 2,109,591,053.70
  5. Step 5: Solve for x
    x = 2,109,591,053.70/45,631.32
  6. Step 6: Final answer
    x = 46,231.21

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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.