Finding the Fourth Proportional to 88,883.40, 122,671.62 and 54,448.68
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Solution
The fourth proportional to 88,883.40, 122,671.62 and 54,448.68 is: 75,146.85
Step by Step Solution
- Step 1: Write the proportion equation
88,883.40 : 122,671.62 = 54,448.68 : x - Step 2: Convert to fraction form
88,883.40/122,671.62 = 54,448.68/x - Step 3: Cross multiply
88,883.40x = 122,671.62 × 54,448.68 - Step 4: Simplify right side
88,883.40x = 6,679,307,782.46 - Step 5: Solve for x
x = 6,679,307,782.46/88,883.40 - Step 6: Final answer
x = 75,146.85
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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.