Finding the Fourth Proportional to 88,389.07, 121,973.27 and 48,102.91
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Solution
The fourth proportional to 88,389.07, 121,973.27 and 48,102.91 is: 66,380.03
Step by Step Solution
- Step 1: Write the proportion equation
88,389.07 : 121,973.27 = 48,102.91 : x - Step 2: Convert to fraction form
88,389.07/121,973.27 = 48,102.91/x - Step 3: Cross multiply
88,389.07x = 121,973.27 × 48,102.91 - Step 4: Simplify right side
88,389.07x = 5,867,268,683.77 - Step 5: Solve for x
x = 5,867,268,683.77/88,389.07 - Step 6: Final answer
x = 66,380.03
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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.