Home / 122,533.87-169,096.77-68,818.96

Finding the Fourth Proportional to 122,533.87, 169,096.77 and 68,818.96

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Solution

The fourth proportional to 122,533.87, 169,096.77 and 68,818.96 is: 94,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,533.87 : 169,096.77 = 68,818.96 : x
  2. Step 2: Convert to fraction form
    122,533.87/169,096.77 = 68,818.96/x
  3. Step 3: Cross multiply
    122,533.87x = 169,096.77 × 68,818.96
  4. Step 4: Simplify right side
    122,533.87x = 11,637,063,850.76
  5. Step 5: Solve for x
    x = 11,637,063,850.76/122,533.87
  6. Step 6: Final answer
    x = 94,970.18

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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.