Home / 122,062.89-183,091.94-66,012.81

Finding the Fourth Proportional to 122,062.89, 183,091.94 and 66,012.81

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Solution

The fourth proportional to 122,062.89, 183,091.94 and 66,012.81 is: 99,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,062.89 : 183,091.94 = 66,012.81 : x
  2. Step 2: Convert to fraction form
    122,062.89/183,091.94 = 66,012.81/x
  3. Step 3: Cross multiply
    122,062.89x = 183,091.94 × 66,012.81
  4. Step 4: Simplify right side
    122,062.89x = 12,086,413,117.69
  5. Step 5: Solve for x
    x = 12,086,413,117.69/122,062.89
  6. Step 6: Final answer
    x = 99,017.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.