Finding the Fourth Proportional to 88,430.68, 122,036.70 and 48,146.14
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Solution
The fourth proportional to 88,430.68, 122,036.70 and 48,146.14 is: 66,442.96
Step by Step Solution
- Step 1: Write the proportion equation
88,430.68 : 122,036.70 = 48,146.14 : x - Step 2: Convert to fraction form
88,430.68/122,036.70 = 48,146.14/x - Step 3: Cross multiply
88,430.68x = 122,036.70 × 48,146.14 - Step 4: Simplify right side
88,430.68x = 5,875,596,043.34 - Step 5: Solve for x
x = 5,875,596,043.34/88,430.68 - Step 6: Final answer
x = 66,442.96
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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.