Home / 80,806.66-111,512.73-47,271.94

Finding the Fourth Proportional to 80,806.66, 111,512.73 and 47,271.94

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Solution

The fourth proportional to 80,806.66, 111,512.73 and 47,271.94 is: 65,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,806.66 : 111,512.73 = 47,271.94 : x
  2. Step 2: Convert to fraction form
    80,806.66/111,512.73 = 47,271.94/x
  3. Step 3: Cross multiply
    80,806.66x = 111,512.73 × 47,271.94
  4. Step 4: Simplify right side
    80,806.66x = 5,271,423,081.80
  5. Step 5: Solve for x
    x = 5,271,423,081.80/80,806.66
  6. Step 6: Final answer
    x = 65,235.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.