Home / 98,747.56-148,136.70-32,172.20

Finding the Fourth Proportional to 98,747.56, 148,136.70 and 32,172.20

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Solution

The fourth proportional to 98,747.56, 148,136.70 and 32,172.20 is: 48,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,747.56 : 148,136.70 = 32,172.20 : x
  2. Step 2: Convert to fraction form
    98,747.56/148,136.70 = 32,172.20/x
  3. Step 3: Cross multiply
    98,747.56x = 148,136.70 × 32,172.20
  4. Step 4: Simplify right side
    98,747.56x = 4,765,883,539.74
  5. Step 5: Solve for x
    x = 4,765,883,539.74/98,747.56
  6. Step 6: Final answer
    x = 48,263.30

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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.