Finding the Fourth Proportional to 88,646.13, 122,331.95 and 48,360.74
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Solution
The fourth proportional to 88,646.13, 122,331.95 and 48,360.74 is: 66,737.98
Step by Step Solution
- Step 1: Write the proportion equation
88,646.13 : 122,331.95 = 48,360.74 : x - Step 2: Convert to fraction form
88,646.13/122,331.95 = 48,360.74/x - Step 3: Cross multiply
88,646.13x = 122,331.95 × 48,360.74 - Step 4: Simplify right side
88,646.13x = 5,916,063,321.81 - Step 5: Solve for x
x = 5,916,063,321.81/88,646.13 - Step 6: Final answer
x = 66,737.98
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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.