Home / 109,063.46-150,511.92-61,316.66

Finding the Fourth Proportional to 109,063.46, 150,511.92 and 61,316.66

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Solution

The fourth proportional to 109,063.46, 150,511.92 and 61,316.66 is: 84,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,063.46 : 150,511.92 = 61,316.66 : x
  2. Step 2: Convert to fraction form
    109,063.46/150,511.92 = 61,316.66/x
  3. Step 3: Cross multiply
    109,063.46x = 150,511.92 × 61,316.66
  4. Step 4: Simplify right side
    109,063.46x = 9,228,888,224.59
  5. Step 5: Solve for x
    x = 9,228,888,224.59/109,063.46
  6. Step 6: Final answer
    x = 84,619.43

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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.