Home / 96,636.93-144,969.06-30,083.78

Finding the Fourth Proportional to 96,636.93, 144,969.06 and 30,083.78

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Solution

The fourth proportional to 96,636.93, 144,969.06 and 30,083.78 is: 45,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,636.93 : 144,969.06 = 30,083.78 : x
  2. Step 2: Convert to fraction form
    96,636.93/144,969.06 = 30,083.78/x
  3. Step 3: Cross multiply
    96,636.93x = 144,969.06 × 30,083.78
  4. Step 4: Simplify right side
    96,636.93x = 4,361,216,583.00
  5. Step 5: Solve for x
    x = 4,361,216,583.00/96,636.93
  6. Step 6: Final answer
    x = 45,129.92

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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.