Finding the Fourth Proportional to 127,355.52, 175,677.42 and 79,525.84
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Solution
The fourth proportional to 127,355.52, 175,677.42 and 79,525.84 is: 109,699.95
Step by Step Solution
- Step 1: Write the proportion equation
127,355.52 : 175,677.42 = 79,525.84 : x - Step 2: Convert to fraction form
127,355.52/175,677.42 = 79,525.84/x - Step 3: Cross multiply
127,355.52x = 175,677.42 × 79,525.84 - Step 4: Simplify right side
127,355.52x = 13,970,894,394.53 - Step 5: Solve for x
x = 13,970,894,394.53/127,355.52 - Step 6: Final answer
x = 109,699.95
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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.