Finding the Fourth Proportional to 89,356.19, 134,012.21 and 26,159.99
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Solution
The fourth proportional to 89,356.19, 134,012.21 and 26,159.99 is: 39,233.52
Step by Step Solution
- Step 1: Write the proportion equation
89,356.19 : 134,012.21 = 26,159.99 : x - Step 2: Convert to fraction form
89,356.19/134,012.21 = 26,159.99/x - Step 3: Cross multiply
89,356.19x = 134,012.21 × 26,159.99 - Step 4: Simplify right side
89,356.19x = 3,505,757,272.62 - Step 5: Solve for x
x = 3,505,757,272.62/89,356.19 - Step 6: Final answer
x = 39,233.52
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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.