Home / 80,738.04-121,126.53-25,334.04

Finding the Fourth Proportional to 80,738.04, 121,126.53 and 25,334.04

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Solution

The fourth proportional to 80,738.04, 121,126.53 and 25,334.04 is: 38,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,738.04 : 121,126.53 = 25,334.04 : x
  2. Step 2: Convert to fraction form
    80,738.04/121,126.53 = 25,334.04/x
  3. Step 3: Cross multiply
    80,738.04x = 121,126.53 × 25,334.04
  4. Step 4: Simplify right side
    80,738.04x = 3,068,624,356.08
  5. Step 5: Solve for x
    x = 3,068,624,356.08/80,738.04
  6. Step 6: Final answer
    x = 38,007.17

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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.