Finding the Fourth Proportional to 88,180.18, 121,723.54 and 61,338.26
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Solution
The fourth proportional to 88,180.18, 121,723.54 and 61,338.26 is: 84,671.07
Step by Step Solution
- Step 1: Write the proportion equation
88,180.18 : 121,723.54 = 61,338.26 : x - Step 2: Convert to fraction form
88,180.18/121,723.54 = 61,338.26/x - Step 3: Cross multiply
88,180.18x = 121,723.54 × 61,338.26 - Step 4: Simplify right side
88,180.18x = 7,466,310,144.64 - Step 5: Solve for x
x = 7,466,310,144.64/88,180.18 - Step 6: Final answer
x = 84,671.07
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1.5x scale
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.