Finding the Fourth Proportional to 88,511.70, 122,152.95 and 50,278.08
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Solution
The fourth proportional to 88,511.70, 122,152.95 and 50,278.08 is: 69,387.62
Step by Step Solution
- Step 1: Write the proportion equation
88,511.70 : 122,152.95 = 50,278.08 : x - Step 2: Convert to fraction form
88,511.70/122,152.95 = 50,278.08/x - Step 3: Cross multiply
88,511.70x = 122,152.95 × 50,278.08 - Step 4: Simplify right side
88,511.70x = 6,141,615,792.34 - Step 5: Solve for x
x = 6,141,615,792.34/88,511.70 - Step 6: Final answer
x = 69,387.62
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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.