Home / 122,333.15-168,808.42-68,607.81

Finding the Fourth Proportional to 122,333.15, 168,808.42 and 68,607.81

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Solution

The fourth proportional to 122,333.15, 168,808.42 and 68,607.81 is: 94,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,333.15 : 168,808.42 = 68,607.81 : x
  2. Step 2: Convert to fraction form
    122,333.15/168,808.42 = 68,607.81/x
  3. Step 3: Cross multiply
    122,333.15x = 168,808.42 × 68,607.81
  4. Step 4: Simplify right side
    122,333.15x = 11,581,576,091.52
  5. Step 5: Solve for x
    x = 11,581,576,091.52/122,333.15
  6. Step 6: Final answer
    x = 94,672.42

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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.