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Finding the Fourth Proportional to 65,120.76, 97,679.52 and 27,670.68

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Solution

The fourth proportional to 65,120.76, 97,679.52 and 27,670.68 is: 41,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,120.76 : 97,679.52 = 27,670.68 : x
  2. Step 2: Convert to fraction form
    65,120.76/97,679.52 = 27,670.68/x
  3. Step 3: Cross multiply
    65,120.76x = 97,679.52 × 27,670.68
  4. Step 4: Simplify right side
    65,120.76x = 2,702,858,740.47
  5. Step 5: Solve for x
    x = 2,702,858,740.47/65,120.76
  6. Step 6: Final answer
    x = 41,505.33

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1.5x scale

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.