Finding the Fourth Proportional to 88,282.24, 121,829.97 and 51,985.26
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Solution
The fourth proportional to 88,282.24, 121,829.97 and 51,985.26 is: 71,739.94
Step by Step Solution
- Step 1: Write the proportion equation
88,282.24 : 121,829.97 = 51,985.26 : x - Step 2: Convert to fraction form
88,282.24/121,829.97 = 51,985.26/x - Step 3: Cross multiply
88,282.24x = 121,829.97 × 51,985.26 - Step 4: Simplify right side
88,282.24x = 6,333,362,861.19 - Step 5: Solve for x
x = 6,333,362,861.19/88,282.24 - Step 6: Final answer
x = 71,739.94
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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.