Home / 47,109.20-70,266.94-43,843.28

Finding the Fourth Proportional to 47,109.20, 70,266.94 and 43,843.28

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Solution

The fourth proportional to 47,109.20, 70,266.94 and 43,843.28 is: 65,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.20 : 70,266.94 = 43,843.28 : x
  2. Step 2: Convert to fraction form
    47,109.20/70,266.94 = 43,843.28/x
  3. Step 3: Cross multiply
    47,109.20x = 70,266.94 × 43,843.28
  4. Step 4: Simplify right side
    47,109.20x = 3,080,733,125.16
  5. Step 5: Solve for x
    x = 3,080,733,125.16/47,109.20
  6. Step 6: Final answer
    x = 65,395.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.