Finding the Fourth Proportional to 88,625.13, 122,302.67 and 56,837.08
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Solution
The fourth proportional to 88,625.13, 122,302.67 and 56,837.08 is: 78,435.16
Step by Step Solution
- Step 1: Write the proportion equation
88,625.13 : 122,302.67 = 56,837.08 : x - Step 2: Convert to fraction form
88,625.13/122,302.67 = 56,837.08/x - Step 3: Cross multiply
88,625.13x = 122,302.67 × 56,837.08 - Step 4: Simplify right side
88,625.13x = 6,951,326,639.00 - Step 5: Solve for x
x = 6,951,326,639.00/88,625.13 - Step 6: Final answer
x = 78,435.16
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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.