Home / 113,647.67-156,852.27-68,371.42

Finding the Fourth Proportional to 113,647.67, 156,852.27 and 68,371.42

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Solution

The fourth proportional to 113,647.67, 156,852.27 and 68,371.42 is: 94,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647.67 : 156,852.27 = 68,371.42 : x
  2. Step 2: Convert to fraction form
    113,647.67/156,852.27 = 68,371.42/x
  3. Step 3: Cross multiply
    113,647.67x = 156,852.27 × 68,371.42
  4. Step 4: Simplify right side
    113,647.67x = 10,724,212,037.99
  5. Step 5: Solve for x
    x = 10,724,212,037.99/113,647.67
  6. Step 6: Final answer
    x = 94,363.68

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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.