Finding the Fourth Proportional to 88,656.36, 122,345.48 and 48,370.13
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Solution
The fourth proportional to 88,656.36, 122,345.48 and 48,370.13 is: 66,750.61
Step by Step Solution
- Step 1: Write the proportion equation
88,656.36 : 122,345.48 = 48,370.13 : x - Step 2: Convert to fraction form
88,656.36/122,345.48 = 48,370.13/x - Step 3: Cross multiply
88,656.36x = 122,345.48 × 48,370.13 - Step 4: Simplify right side
88,656.36x = 5,917,866,530.66 - Step 5: Solve for x
x = 5,917,866,530.66/88,656.36 - Step 6: Final answer
x = 66,750.61
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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.