Home / 70,942.78-97,905.88-43,359.28

Finding the Fourth Proportional to 70,942.78, 97,905.88 and 43,359.28

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Solution

The fourth proportional to 70,942.78, 97,905.88 and 43,359.28 is: 59,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.78 : 97,905.88 = 43,359.28 : x
  2. Step 2: Convert to fraction form
    70,942.78/97,905.88 = 43,359.28/x
  3. Step 3: Cross multiply
    70,942.78x = 97,905.88 × 43,359.28
  4. Step 4: Simplify right side
    70,942.78x = 4,245,128,464.57
  5. Step 5: Solve for x
    x = 4,245,128,464.57/70,942.78
  6. Step 6: Final answer
    x = 59,838.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.