Home / 70,996.28-97,991.94-42,696.50

Finding the Fourth Proportional to 70,996.28, 97,991.94 and 42,696.50

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Solution

The fourth proportional to 70,996.28, 97,991.94 and 42,696.50 is: 58,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.28 : 97,991.94 = 42,696.50 : x
  2. Step 2: Convert to fraction form
    70,996.28/97,991.94 = 42,696.50/x
  3. Step 3: Cross multiply
    70,996.28x = 97,991.94 × 42,696.50
  4. Step 4: Simplify right side
    70,996.28x = 4,183,912,866.21
  5. Step 5: Solve for x
    x = 4,183,912,866.21/70,996.28
  6. Step 6: Final answer
    x = 58,931.44

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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.