Home / 80,708.94-111,300.21-53,852.58

Finding the Fourth Proportional to 80,708.94, 111,300.21 and 53,852.58

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Solution

The fourth proportional to 80,708.94, 111,300.21 and 53,852.58 is: 74,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708.94 : 111,300.21 = 53,852.58 : x
  2. Step 2: Convert to fraction form
    80,708.94/111,300.21 = 53,852.58/x
  3. Step 3: Cross multiply
    80,708.94x = 111,300.21 × 53,852.58
  4. Step 4: Simplify right side
    80,708.94x = 5,993,803,463.04
  5. Step 5: Solve for x
    x = 5,993,803,463.04/80,708.94
  6. Step 6: Final answer
    x = 74,264.43

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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.