Home / 81,941.48-122,786.46-48,595.88

Finding the Fourth Proportional to 81,941.48, 122,786.46 and 48,595.88

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Solution

The fourth proportional to 81,941.48, 122,786.46 and 48,595.88 is: 72,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.48 : 122,786.46 = 48,595.88 : x
  2. Step 2: Convert to fraction form
    81,941.48/122,786.46 = 48,595.88/x
  3. Step 3: Cross multiply
    81,941.48x = 122,786.46 × 48,595.88
  4. Step 4: Simplify right side
    81,941.48x = 5,966,916,075.78
  5. Step 5: Solve for x
    x = 5,966,916,075.78/81,941.48
  6. Step 6: Final answer
    x = 72,819.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.