Home / 101,852.20-140,553.91-56,527.52

Finding the Fourth Proportional to 101,852.20, 140,553.91 and 56,527.52

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Solution

The fourth proportional to 101,852.20, 140,553.91 and 56,527.52 is: 78,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,852.20 : 140,553.91 = 56,527.52 : x
  2. Step 2: Convert to fraction form
    101,852.20/140,553.91 = 56,527.52/x
  3. Step 3: Cross multiply
    101,852.20x = 140,553.91 × 56,527.52
  4. Step 4: Simplify right side
    101,852.20x = 7,945,163,958.60
  5. Step 5: Solve for x
    x = 7,945,163,958.60/101,852.20
  6. Step 6: Final answer
    x = 78,006.80

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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.