Home / 80,896.30-121,344.45-41,440.30

Finding the Fourth Proportional to 80,896.30, 121,344.45 and 41,440.30

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Solution

The fourth proportional to 80,896.30, 121,344.45 and 41,440.30 is: 62,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896.30 : 121,344.45 = 41,440.30 : x
  2. Step 2: Convert to fraction form
    80,896.30/121,344.45 = 41,440.30/x
  3. Step 3: Cross multiply
    80,896.30x = 121,344.45 × 41,440.30
  4. Step 4: Simplify right side
    80,896.30x = 5,028,550,411.34
  5. Step 5: Solve for x
    x = 5,028,550,411.34/80,896.30
  6. Step 6: Final answer
    x = 62,160.45

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1.5x scale

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.