Finding the Fourth Proportional to 88,670.12, 122,367.71 and 48,386.09
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Solution
The fourth proportional to 88,670.12, 122,367.71 and 48,386.09 is: 66,774.41
Step by Step Solution
- Step 1: Write the proportion equation
88,670.12 : 122,367.71 = 48,386.09 : x - Step 2: Convert to fraction form
88,670.12/122,367.71 = 48,386.09/x - Step 3: Cross multiply
88,670.12x = 122,367.71 × 48,386.09 - Step 4: Simplify right side
88,670.12x = 5,920,895,029.15 - Step 5: Solve for x
x = 5,920,895,029.15/88,670.12 - Step 6: Final answer
x = 66,774.41
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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.