Home / 97,538.31-146,504.16-58,172.31

Finding the Fourth Proportional to 97,538.31, 146,504.16 and 58,172.31

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Solution

The fourth proportional to 97,538.31, 146,504.16 and 58,172.31 is: 87,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,538.31 : 146,504.16 = 58,172.31 : x
  2. Step 2: Convert to fraction form
    97,538.31/146,504.16 = 58,172.31/x
  3. Step 3: Cross multiply
    97,538.31x = 146,504.16 × 58,172.31
  4. Step 4: Simplify right side
    97,538.31x = 8,522,485,411.81
  5. Step 5: Solve for x
    x = 8,522,485,411.81/97,538.31
  6. Step 6: Final answer
    x = 87,375.77

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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.