Finding the Fourth Proportional to 107,904.93, 161,888.99 and 55,351.05
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Solution
The fourth proportional to 107,904.93, 161,888.99 and 55,351.05 is: 83,042.78
Step by Step Solution
- Step 1: Write the proportion equation
107,904.93 : 161,888.99 = 55,351.05 : x - Step 2: Convert to fraction form
107,904.93/161,888.99 = 55,351.05/x - Step 3: Cross multiply
107,904.93x = 161,888.99 × 55,351.05 - Step 4: Simplify right side
107,904.93x = 8,960,725,303.18 - Step 5: Solve for x
x = 8,960,725,303.18/107,904.93 - Step 6: Final answer
x = 83,042.78
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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.