Home / 106,381.02-146,806.49-58,634.37

Finding the Fourth Proportional to 106,381.02, 146,806.49 and 58,634.37

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Solution

The fourth proportional to 106,381.02, 146,806.49 and 58,634.37 is: 80,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.02 : 146,806.49 = 58,634.37 : x
  2. Step 2: Convert to fraction form
    106,381.02/146,806.49 = 58,634.37/x
  3. Step 3: Cross multiply
    106,381.02x = 146,806.49 × 58,634.37
  4. Step 4: Simplify right side
    106,381.02x = 8,607,905,759.89
  5. Step 5: Solve for x
    x = 8,607,905,759.89/106,381.02
  6. Step 6: Final answer
    x = 80,915.80

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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.