Finding the Fourth Proportional to 106,356.42, 159,557.34 and 53,077.08
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Solution
The fourth proportional to 106,356.42, 159,557.34 and 53,077.08 is: 79,626.95
Step by Step Solution
- Step 1: Write the proportion equation
106,356.42 : 159,557.34 = 53,077.08 : x - Step 2: Convert to fraction form
106,356.42/159,557.34 = 53,077.08/x - Step 3: Cross multiply
106,356.42x = 159,557.34 × 53,077.08 - Step 4: Simplify right side
106,356.42x = 8,468,837,699.77 - Step 5: Solve for x
x = 8,468,837,699.77/106,356.42 - Step 6: Final answer
x = 79,626.95
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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.