Home / 74,923.30-112,056.90-57,208.60

Finding the Fourth Proportional to 74,923.30, 112,056.90 and 57,208.60

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Solution

The fourth proportional to 74,923.30, 112,056.90 and 57,208.60 is: 85,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.30 : 112,056.90 = 57,208.60 : x
  2. Step 2: Convert to fraction form
    74,923.30/112,056.90 = 57,208.60/x
  3. Step 3: Cross multiply
    74,923.30x = 112,056.90 × 57,208.60
  4. Step 4: Simplify right side
    74,923.30x = 6,410,618,369.34
  5. Step 5: Solve for x
    x = 6,410,618,369.34/74,923.30
  6. Step 6: Final answer
    x = 85,562.41

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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.