Home / 96,895.86-145,491.75-80,362.14

Finding the Fourth Proportional to 96,895.86, 145,491.75 and 80,362.14

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Solution

The fourth proportional to 96,895.86, 145,491.75 and 80,362.14 is: 120,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,895.86 : 145,491.75 = 80,362.14 : x
  2. Step 2: Convert to fraction form
    96,895.86/145,491.75 = 80,362.14/x
  3. Step 3: Cross multiply
    96,895.86x = 145,491.75 × 80,362.14
  4. Step 4: Simplify right side
    96,895.86x = 11,692,028,382.35
  5. Step 5: Solve for x
    x = 11,692,028,382.35/96,895.86
  6. Step 6: Final answer
    x = 120,665.92

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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.