Home / 75,977.84-104,847.54-41,984.58

Finding the Fourth Proportional to 75,977.84, 104,847.54 and 41,984.58

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Solution

The fourth proportional to 75,977.84, 104,847.54 and 41,984.58 is: 57,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.84 : 104,847.54 = 41,984.58 : x
  2. Step 2: Convert to fraction form
    75,977.84/104,847.54 = 41,984.58/x
  3. Step 3: Cross multiply
    75,977.84x = 104,847.54 × 41,984.58
  4. Step 4: Simplify right side
    75,977.84x = 4,401,979,930.93
  5. Step 5: Solve for x
    x = 4,401,979,930.93/75,977.84
  6. Step 6: Final answer
    x = 57,937.68

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1.5x scale

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.