Home / 74,200.02-111,299.01-18,039.98

Finding the Fourth Proportional to 74,200.02, 111,299.01 and 18,039.98

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Solution

The fourth proportional to 74,200.02, 111,299.01 and 18,039.98 is: 27,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.02 : 111,299.01 = 18,039.98 : x
  2. Step 2: Convert to fraction form
    74,200.02/111,299.01 = 18,039.98/x
  3. Step 3: Cross multiply
    74,200.02x = 111,299.01 × 18,039.98
  4. Step 4: Simplify right side
    74,200.02x = 2,007,831,357.92
  5. Step 5: Solve for x
    x = 2,007,831,357.92/74,200.02
  6. Step 6: Final answer
    x = 27,059.71

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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.