Home / 88,917.82-133,376.02-36,290.40

Finding the Fourth Proportional to 88,917.82, 133,376.02 and 36,290.40

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Solution

The fourth proportional to 88,917.82, 133,376.02 and 36,290.40 is: 54,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,917.82 : 133,376.02 = 36,290.40 : x
  2. Step 2: Convert to fraction form
    88,917.82/133,376.02 = 36,290.40/x
  3. Step 3: Cross multiply
    88,917.82x = 133,376.02 × 36,290.40
  4. Step 4: Simplify right side
    88,917.82x = 4,840,269,116.21
  5. Step 5: Solve for x
    x = 4,840,269,116.21/88,917.82
  6. Step 6: Final answer
    x = 54,435.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.