Home / 122,735.45-169,355.16-69,017.27

Finding the Fourth Proportional to 122,735.45, 169,355.16 and 69,017.27

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Solution

The fourth proportional to 122,735.45, 169,355.16 and 69,017.27 is: 95,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.45 : 169,355.16 = 69,017.27 : x
  2. Step 2: Convert to fraction form
    122,735.45/169,355.16 = 69,017.27/x
  3. Step 3: Cross multiply
    122,735.45x = 169,355.16 × 69,017.27
  4. Step 4: Simplify right side
    122,735.45x = 11,688,429,956.84
  5. Step 5: Solve for x
    x = 11,688,429,956.84/122,735.45
  6. Step 6: Final answer
    x = 95,232.71

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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.