Finding the Fourth Proportional to 88,305.58, 121,862.34 and 48,019.06
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Solution
The fourth proportional to 88,305.58, 121,862.34 and 48,019.06 is: 66,266.65
Step by Step Solution
- Step 1: Write the proportion equation
88,305.58 : 121,862.34 = 48,019.06 : x - Step 2: Convert to fraction form
88,305.58/121,862.34 = 48,019.06/x - Step 3: Cross multiply
88,305.58x = 121,862.34 × 48,019.06 - Step 4: Simplify right side
88,305.58x = 5,851,715,016.20 - Step 5: Solve for x
x = 5,851,715,016.20/88,305.58 - Step 6: Final answer
x = 66,266.65
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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.