Home / 74,474.20-111,711.30-43,370.20

Finding the Fourth Proportional to 74,474.20, 111,711.30 and 43,370.20

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Solution

The fourth proportional to 74,474.20, 111,711.30 and 43,370.20 is: 65,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.20 : 111,711.30 = 43,370.20 : x
  2. Step 2: Convert to fraction form
    74,474.20/111,711.30 = 43,370.20/x
  3. Step 3: Cross multiply
    74,474.20x = 111,711.30 × 43,370.20
  4. Step 4: Simplify right side
    74,474.20x = 4,844,941,423.26
  5. Step 5: Solve for x
    x = 4,844,941,423.26/74,474.20
  6. Step 6: Final answer
    x = 65,055.30

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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.