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Finding the Fourth Proportional to 85,203.96, 117,581.93 and 49,415.19

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Solution

The fourth proportional to 85,203.96, 117,581.93 and 49,415.19 is: 68,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.96 : 117,581.93 = 49,415.19 : x
  2. Step 2: Convert to fraction form
    85,203.96/117,581.93 = 49,415.19/x
  3. Step 3: Cross multiply
    85,203.96x = 117,581.93 × 49,415.19
  4. Step 4: Simplify right side
    85,203.96x = 5,810,333,411.52
  5. Step 5: Solve for x
    x = 5,810,333,411.52/85,203.96
  6. Step 6: Final answer
    x = 68,193.23

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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.