Home / 96,948.85-133,745.69-56,644.49

Finding the Fourth Proportional to 96,948.85, 133,745.69 and 56,644.49

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Solution

The fourth proportional to 96,948.85, 133,745.69 and 56,644.49 is: 78,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,948.85 : 133,745.69 = 56,644.49 : x
  2. Step 2: Convert to fraction form
    96,948.85/133,745.69 = 56,644.49/x
  3. Step 3: Cross multiply
    96,948.85x = 133,745.69 × 56,644.49
  4. Step 4: Simplify right side
    96,948.85x = 7,575,956,716.41
  5. Step 5: Solve for x
    x = 7,575,956,716.41/96,948.85
  6. Step 6: Final answer
    x = 78,143.85

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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.