Home / 74,439.20-111,662.48-30,060.45

Finding the Fourth Proportional to 74,439.20, 111,662.48 and 30,060.45

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Solution

The fourth proportional to 74,439.20, 111,662.48 and 30,060.45 is: 45,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,439.20 : 111,662.48 = 30,060.45 : x
  2. Step 2: Convert to fraction form
    74,439.20/111,662.48 = 30,060.45/x
  3. Step 3: Cross multiply
    74,439.20x = 111,662.48 × 30,060.45
  4. Step 4: Simplify right side
    74,439.20x = 3,356,624,472.07
  5. Step 5: Solve for x
    x = 3,356,624,472.07/74,439.20
  6. Step 6: Final answer
    x = 45,092.16

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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.