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Finding the Fourth Proportional to 85,225.68, 117,824.01 and 63,968.04

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Solution

The fourth proportional to 85,225.68, 117,824.01 and 63,968.04 is: 88,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,225.68 : 117,824.01 = 63,968.04 : x
  2. Step 2: Convert to fraction form
    85,225.68/117,824.01 = 63,968.04/x
  3. Step 3: Cross multiply
    85,225.68x = 117,824.01 × 63,968.04
  4. Step 4: Simplify right side
    85,225.68x = 7,536,970,984.64
  5. Step 5: Solve for x
    x = 7,536,970,984.64/85,225.68
  6. Step 6: Final answer
    x = 88,435.45

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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.