Finding the Fourth Proportional to 94,981.51, 142,419.60 and 38,860.99
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Solution
The fourth proportional to 94,981.51, 142,419.60 and 38,860.99 is: 58,269.94
Step by Step Solution
- Step 1: Write the proportion equation
94,981.51 : 142,419.60 = 38,860.99 : x - Step 2: Convert to fraction form
94,981.51/142,419.60 = 38,860.99/x - Step 3: Cross multiply
94,981.51x = 142,419.60 × 38,860.99 - Step 4: Simplify right side
94,981.51x = 5,534,566,651.40 - Step 5: Solve for x
x = 5,534,566,651.40/94,981.51 - Step 6: Final answer
x = 58,269.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.