Finding the Fourth Proportional to 83,730.36, 115,527.06 and 49,724.58
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Solution
The fourth proportional to 83,730.36, 115,527.06 and 49,724.58 is: 68,607.55
Step by Step Solution
- Step 1: Write the proportion equation
83,730.36 : 115,527.06 = 49,724.58 : x - Step 2: Convert to fraction form
83,730.36/115,527.06 = 49,724.58/x - Step 3: Cross multiply
83,730.36x = 115,527.06 × 49,724.58 - Step 4: Simplify right side
83,730.36x = 5,744,534,537.13 - Step 5: Solve for x
x = 5,744,534,537.13/83,730.36 - Step 6: Final answer
x = 68,607.55
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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.