Finding the Fourth Proportional to 83,788.73, 115,621.56 and 49,327.99
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Solution
The fourth proportional to 83,788.73, 115,621.56 and 49,327.99 is: 68,068.57
Step by Step Solution
- Step 1: Write the proportion equation
83,788.73 : 115,621.56 = 49,327.99 : x - Step 2: Convert to fraction form
83,788.73/115,621.56 = 49,327.99/x - Step 3: Cross multiply
83,788.73x = 115,621.56 × 49,327.99 - Step 4: Simplify right side
83,788.73x = 5,703,378,866.41 - Step 5: Solve for x
x = 5,703,378,866.41/83,788.73 - Step 6: Final answer
x = 68,068.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.