Home / 101,825.04-140,535.34-56,517.64

Finding the Fourth Proportional to 101,825.04, 140,535.34 and 56,517.64

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Solution

The fourth proportional to 101,825.04, 140,535.34 and 56,517.64 is: 78,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,825.04 : 140,535.34 = 56,517.64 : x
  2. Step 2: Convert to fraction form
    101,825.04/140,535.34 = 56,517.64/x
  3. Step 3: Cross multiply
    101,825.04x = 140,535.34 × 56,517.64
  4. Step 4: Simplify right side
    101,825.04x = 7,942,725,753.40
  5. Step 5: Solve for x
    x = 7,942,725,753.40/101,825.04
  6. Step 6: Final answer
    x = 78,003.66

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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.