Home / 106,533.02-159,602.70-53,816.60

Finding the Fourth Proportional to 106,533.02, 159,602.70 and 53,816.60

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Solution

The fourth proportional to 106,533.02, 159,602.70 and 53,816.60 is: 80,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,533.02 : 159,602.70 = 53,816.60 : x
  2. Step 2: Convert to fraction form
    106,533.02/159,602.70 = 53,816.60/x
  3. Step 3: Cross multiply
    106,533.02x = 159,602.70 × 53,816.60
  4. Step 4: Simplify right side
    106,533.02x = 8,589,274,664.82
  5. Step 5: Solve for x
    x = 8,589,274,664.82/106,533.02
  6. Step 6: Final answer
    x = 80,625.47

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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.