Home / 72,557.04-108,859.56-35,121.84

Finding the Fourth Proportional to 72,557.04, 108,859.56 and 35,121.84

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Solution

The fourth proportional to 72,557.04, 108,859.56 and 35,121.84 is: 52,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557.04 : 108,859.56 = 35,121.84 : x
  2. Step 2: Convert to fraction form
    72,557.04/108,859.56 = 35,121.84/x
  3. Step 3: Cross multiply
    72,557.04x = 108,859.56 × 35,121.84
  4. Step 4: Simplify right side
    72,557.04x = 3,823,348,048.79
  5. Step 5: Solve for x
    x = 3,823,348,048.79/72,557.04
  6. Step 6: Final answer
    x = 52,694.38

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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.