Home / 101,982.12-152,957.34-52,099.08

Finding the Fourth Proportional to 101,982.12, 152,957.34 and 52,099.08

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Solution

The fourth proportional to 101,982.12, 152,957.34 and 52,099.08 is: 78,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982.12 : 152,957.34 = 52,099.08 : x
  2. Step 2: Convert to fraction form
    101,982.12/152,957.34 = 52,099.08/x
  3. Step 3: Cross multiply
    101,982.12x = 152,957.34 × 52,099.08
  4. Step 4: Simplify right side
    101,982.12x = 7,968,936,693.25
  5. Step 5: Solve for x
    x = 7,968,936,693.25/101,982.12
  6. Step 6: Final answer
    x = 78,140.53

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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.