Finding the Fourth Proportional to 124,618.23, 171,970.92 and 70,902.09
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Solution
The fourth proportional to 124,618.23, 171,970.92 and 70,902.09 is: 97,843.61
Step by Step Solution
- Step 1: Write the proportion equation
124,618.23 : 171,970.92 = 70,902.09 : x - Step 2: Convert to fraction form
124,618.23/171,970.92 = 70,902.09/x - Step 3: Cross multiply
124,618.23x = 171,970.92 × 70,902.09 - Step 4: Simplify right side
124,618.23x = 12,193,097,647.22 - Step 5: Solve for x
x = 12,193,097,647.22/124,618.23 - Step 6: Final answer
x = 97,843.61
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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.