Finding the Fourth Proportional to 88,409.90, 122,008.32 and 54,437.99
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Solution
The fourth proportional to 88,409.90, 122,008.32 and 54,437.99 is: 75,126.06
Step by Step Solution
- Step 1: Write the proportion equation
88,409.90 : 122,008.32 = 54,437.99 : x - Step 2: Convert to fraction form
88,409.90/122,008.32 = 54,437.99/x - Step 3: Cross multiply
88,409.90x = 122,008.32 × 54,437.99 - Step 4: Simplify right side
88,409.90x = 6,641,887,094.04 - Step 5: Solve for x
x = 6,641,887,094.04/88,409.90 - Step 6: Final answer
x = 75,126.06
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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.