Home / 74,236.08-111,348.12-36,273.60

Finding the Fourth Proportional to 74,236.08, 111,348.12 and 36,273.60

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Solution

The fourth proportional to 74,236.08, 111,348.12 and 36,273.60 is: 54,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,236.08 : 111,348.12 = 36,273.60 : x
  2. Step 2: Convert to fraction form
    74,236.08/111,348.12 = 36,273.60/x
  3. Step 3: Cross multiply
    74,236.08x = 111,348.12 × 36,273.60
  4. Step 4: Simplify right side
    74,236.08x = 4,038,997,165.63
  5. Step 5: Solve for x
    x = 4,038,997,165.63/74,236.08
  6. Step 6: Final answer
    x = 54,407.47

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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.