Finding the Fourth Proportional to 88,117.24, 121,598.49 and 47,830.14
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Solution
The fourth proportional to 88,117.24, 121,598.49 and 47,830.14 is: 66,003.80
Step by Step Solution
- Step 1: Write the proportion equation
88,117.24 : 121,598.49 = 47,830.14 : x - Step 2: Convert to fraction form
88,117.24/121,598.49 = 47,830.14/x - Step 3: Cross multiply
88,117.24x = 121,598.49 × 47,830.14 - Step 4: Simplify right side
88,117.24x = 5,816,072,800.49 - Step 5: Solve for x
x = 5,816,072,800.49/88,117.24 - Step 6: Final answer
x = 66,003.80
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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.