Finding the Fourth Proportional to 88,349.19, 121,881.66 and 52,518.84
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Solution
The fourth proportional to 88,349.19, 121,881.66 and 52,518.84 is: 72,452.09
Step by Step Solution
- Step 1: Write the proportion equation
88,349.19 : 121,881.66 = 52,518.84 : x - Step 2: Convert to fraction form
88,349.19/121,881.66 = 52,518.84/x - Step 3: Cross multiply
88,349.19x = 121,881.66 × 52,518.84 - Step 4: Simplify right side
88,349.19x = 6,401,083,400.47 - Step 5: Solve for x
x = 6,401,083,400.47/88,349.19 - Step 6: Final answer
x = 72,452.09
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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.