Home / 80,675.71-111,330.53-43,880.98

Finding the Fourth Proportional to 80,675.71, 111,330.53 and 43,880.98

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Solution

The fourth proportional to 80,675.71, 111,330.53 and 43,880.98 is: 60,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675.71 : 111,330.53 = 43,880.98 : x
  2. Step 2: Convert to fraction form
    80,675.71/111,330.53 = 43,880.98/x
  3. Step 3: Cross multiply
    80,675.71x = 111,330.53 × 43,880.98
  4. Step 4: Simplify right side
    80,675.71x = 4,885,292,760.32
  5. Step 5: Solve for x
    x = 4,885,292,760.32/80,675.71
  6. Step 6: Final answer
    x = 60,554.69

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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.