Home / 70,949.10-106,468.31-28,830.22

Finding the Fourth Proportional to 70,949.10, 106,468.31 and 28,830.22

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Solution

The fourth proportional to 70,949.10, 106,468.31 and 28,830.22 is: 43,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.10 : 106,468.31 = 28,830.22 : x
  2. Step 2: Convert to fraction form
    70,949.10/106,468.31 = 28,830.22/x
  3. Step 3: Cross multiply
    70,949.10x = 106,468.31 × 28,830.22
  4. Step 4: Simplify right side
    70,949.10x = 3,069,504,800.33
  5. Step 5: Solve for x
    x = 3,069,504,800.33/70,949.10
  6. Step 6: Final answer
    x = 43,263.48

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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.