Finding the Fourth Proportional to 88,670.68, 122,368.49 and 48,386.65
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Solution
The fourth proportional to 88,670.68, 122,368.49 and 48,386.65 is: 66,775.19
Step by Step Solution
- Step 1: Write the proportion equation
88,670.68 : 122,368.49 = 48,386.65 : x - Step 2: Convert to fraction form
88,670.68/122,368.49 = 48,386.65/x - Step 3: Cross multiply
88,670.68x = 122,368.49 × 48,386.65 - Step 4: Simplify right side
88,670.68x = 5,921,001,296.66 - Step 5: Solve for x
x = 5,921,001,296.66/88,670.68 - Step 6: Final answer
x = 66,775.19
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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.