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Finding the Fourth Proportional to 80,291.64, 110,740.62 and 48,427.32

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Solution

The fourth proportional to 80,291.64, 110,740.62 and 48,427.32 is: 66,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.64 : 110,740.62 = 48,427.32 : x
  2. Step 2: Convert to fraction form
    80,291.64/110,740.62 = 48,427.32/x
  3. Step 3: Cross multiply
    80,291.64x = 110,740.62 × 48,427.32
  4. Step 4: Simplify right side
    80,291.64x = 5,362,871,441.74
  5. Step 5: Solve for x
    x = 5,362,871,441.74/80,291.64
  6. Step 6: Final answer
    x = 66,792.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.