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Finding the Fourth Proportional to 88,705.26, 122,440.40 and 54,724.32

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Solution

The fourth proportional to 88,705.26, 122,440.40 and 54,724.32 is: 75,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.26 : 122,440.40 = 54,724.32 : x
  2. Step 2: Convert to fraction form
    88,705.26/122,440.40 = 54,724.32/x
  3. Step 3: Cross multiply
    88,705.26x = 122,440.40 × 54,724.32
  4. Step 4: Simplify right side
    88,705.26x = 6,700,467,356.91
  5. Step 5: Solve for x
    x = 6,700,467,356.91/88,705.26
  6. Step 6: Final answer
    x = 75,536.30

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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.