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Finding the Fourth Proportional to 65,597.54, 98,396.25 and 28,133.42

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Solution

The fourth proportional to 65,597.54, 98,396.25 and 28,133.42 is: 42,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,597.54 : 98,396.25 = 28,133.42 : x
  2. Step 2: Convert to fraction form
    65,597.54/98,396.25 = 28,133.42/x
  3. Step 3: Cross multiply
    65,597.54x = 98,396.25 × 28,133.42
  4. Step 4: Simplify right side
    65,597.54x = 2,768,223,027.68
  5. Step 5: Solve for x
    x = 2,768,223,027.68/65,597.54
  6. Step 6: Final answer
    x = 42,200.10

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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.