Home / 83,440.54-125,105.31-53,842.21

Finding the Fourth Proportional to 83,440.54, 125,105.31 and 53,842.21

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Solution

The fourth proportional to 83,440.54, 125,105.31 and 53,842.21 is: 80,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,440.54 : 125,105.31 = 53,842.21 : x
  2. Step 2: Convert to fraction form
    83,440.54/125,105.31 = 53,842.21/x
  3. Step 3: Cross multiply
    83,440.54x = 125,105.31 × 53,842.21
  4. Step 4: Simplify right side
    83,440.54x = 6,735,946,373.14
  5. Step 5: Solve for x
    x = 6,735,946,373.14/83,440.54
  6. Step 6: Final answer
    x = 80,727.50

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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.