Home / 106,039.02-158,927.22-53,419.80

Finding the Fourth Proportional to 106,039.02, 158,927.22 and 53,419.80

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Solution

The fourth proportional to 106,039.02, 158,927.22 and 53,419.80 is: 80,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,039.02 : 158,927.22 = 53,419.80 : x
  2. Step 2: Convert to fraction form
    106,039.02/158,927.22 = 53,419.80/x
  3. Step 3: Cross multiply
    106,039.02x = 158,927.22 × 53,419.80
  4. Step 4: Simplify right side
    106,039.02x = 8,489,860,306.96
  5. Step 5: Solve for x
    x = 8,489,860,306.96/106,039.02
  6. Step 6: Final answer
    x = 80,063.55

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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.