Finding the Fourth Proportional to 88,827.60, 122,583.60 and 53,010.66
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Solution
The fourth proportional to 88,827.60, 122,583.60 and 53,010.66 is: 73,155.61
Step by Step Solution
- Step 1: Write the proportion equation
88,827.60 : 122,583.60 = 53,010.66 : x - Step 2: Convert to fraction form
88,827.60/122,583.60 = 53,010.66/x - Step 3: Cross multiply
88,827.60x = 122,583.60 × 53,010.66 - Step 4: Simplify right side
88,827.60x = 6,498,237,541.18 - Step 5: Solve for x
x = 6,498,237,541.18/88,827.60 - Step 6: Final answer
x = 73,155.61
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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.