Home / 74,273.16-111,508.60-43,130.76

Finding the Fourth Proportional to 74,273.16, 111,508.60 and 43,130.76

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Solution

The fourth proportional to 74,273.16, 111,508.60 and 43,130.76 is: 64,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.16 : 111,508.60 = 43,130.76 : x
  2. Step 2: Convert to fraction form
    74,273.16/111,508.60 = 43,130.76/x
  3. Step 3: Cross multiply
    74,273.16x = 111,508.60 × 43,130.76
  4. Step 4: Simplify right side
    74,273.16x = 4,809,450,664.54
  5. Step 5: Solve for x
    x = 4,809,450,664.54/74,273.16
  6. Step 6: Final answer
    x = 64,753.55

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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.