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Finding the Fourth Proportional to 85,706.94, 118,236.30 and 55,502.00

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Solution

The fourth proportional to 85,706.94, 118,236.30 and 55,502.00 is: 76,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,706.94 : 118,236.30 = 55,502.00 : x
  2. Step 2: Convert to fraction form
    85,706.94/118,236.30 = 55,502.00/x
  3. Step 3: Cross multiply
    85,706.94x = 118,236.30 × 55,502.00
  4. Step 4: Simplify right side
    85,706.94x = 6,562,350,531.42
  5. Step 5: Solve for x
    x = 6,562,350,531.42/85,706.94
  6. Step 6: Final answer
    x = 76,567.32

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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.