Home / 106,531.02-159,599.70-53,814.60

Finding the Fourth Proportional to 106,531.02, 159,599.70 and 53,814.60

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Solution

The fourth proportional to 106,531.02, 159,599.70 and 53,814.60 is: 80,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.02 : 159,599.70 = 53,814.60 : x
  2. Step 2: Convert to fraction form
    106,531.02/159,599.70 = 53,814.60/x
  3. Step 3: Cross multiply
    106,531.02x = 159,599.70 × 53,814.60
  4. Step 4: Simplify right side
    106,531.02x = 8,588,794,015.62
  5. Step 5: Solve for x
    x = 8,588,794,015.62/106,531.02
  6. Step 6: Final answer
    x = 80,622.47

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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.