Home / 97,611.66-146,428.38-38,439.54

Finding the Fourth Proportional to 97,611.66, 146,428.38 and 38,439.54

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Solution

The fourth proportional to 97,611.66, 146,428.38 and 38,439.54 is: 57,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,611.66 : 146,428.38 = 38,439.54 : x
  2. Step 2: Convert to fraction form
    97,611.66/146,428.38 = 38,439.54/x
  3. Step 3: Cross multiply
    97,611.66x = 146,428.38 × 38,439.54
  4. Step 4: Simplify right side
    97,611.66x = 5,628,639,570.15
  5. Step 5: Solve for x
    x = 5,628,639,570.15/97,611.66
  6. Step 6: Final answer
    x = 57,663.60

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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.