Finding the Fourth Proportional to 84,001.93, 125,959.14 and 39,616.76
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Solution
The fourth proportional to 84,001.93, 125,959.14 and 39,616.76 is: 59,404.51
Step by Step Solution
- Step 1: Write the proportion equation
84,001.93 : 125,959.14 = 39,616.76 : x - Step 2: Convert to fraction form
84,001.93/125,959.14 = 39,616.76/x - Step 3: Cross multiply
84,001.93x = 125,959.14 × 39,616.76 - Step 4: Simplify right side
84,001.93x = 4,990,093,019.19 - Step 5: Solve for x
x = 4,990,093,019.19/84,001.93 - Step 6: Final answer
x = 59,404.51
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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.