Finding the Fourth Proportional to 88,885.24, 122,674.98 and 51,152.20
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Solution
The fourth proportional to 88,885.24, 122,674.98 and 51,152.20 is: 70,597.72
Step by Step Solution
- Step 1: Write the proportion equation
88,885.24 : 122,674.98 = 51,152.20 : x - Step 2: Convert to fraction form
88,885.24/122,674.98 = 51,152.20/x - Step 3: Cross multiply
88,885.24x = 122,674.98 × 51,152.20 - Step 4: Simplify right side
88,885.24x = 6,275,095,111.96 - Step 5: Solve for x
x = 6,275,095,111.96/88,885.24 - Step 6: Final answer
x = 70,597.72
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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.