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Finding the Fourth Proportional to 65,575.76, 98,172.27 and 48,783.26

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Solution

The fourth proportional to 65,575.76, 98,172.27 and 48,783.26 is: 73,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.76 : 98,172.27 = 48,783.26 : x
  2. Step 2: Convert to fraction form
    65,575.76/98,172.27 = 48,783.26/x
  3. Step 3: Cross multiply
    65,575.76x = 98,172.27 × 48,783.26
  4. Step 4: Simplify right side
    65,575.76x = 4,789,163,372.20
  5. Step 5: Solve for x
    x = 4,789,163,372.20/65,575.76
  6. Step 6: Final answer
    x = 73,032.53

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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.