Home / 76,066.10-104,936.30-49,217.36

Finding the Fourth Proportional to 76,066.10, 104,936.30 and 49,217.36

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Solution

The fourth proportional to 76,066.10, 104,936.30 and 49,217.36 is: 67,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,066.10 : 104,936.30 = 49,217.36 : x
  2. Step 2: Convert to fraction form
    76,066.10/104,936.30 = 49,217.36/x
  3. Step 3: Cross multiply
    76,066.10x = 104,936.30 × 49,217.36
  4. Step 4: Simplify right side
    76,066.10x = 5,164,687,408.08
  5. Step 5: Solve for x
    x = 5,164,687,408.08/76,066.10
  6. Step 6: Final answer
    x = 67,897.36

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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.