Finding the Fourth Proportional to 84,845.84, 127,267.95 and 51,575.09
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Solution
The fourth proportional to 84,845.84, 127,267.95 and 51,575.09 is: 77,362.14
Step by Step Solution
- Step 1: Write the proportion equation
84,845.84 : 127,267.95 = 51,575.09 : x - Step 2: Convert to fraction form
84,845.84/127,267.95 = 51,575.09/x - Step 3: Cross multiply
84,845.84x = 127,267.95 × 51,575.09 - Step 4: Simplify right side
84,845.84x = 6,563,855,975.37 - Step 5: Solve for x
x = 6,563,855,975.37/84,845.84 - Step 6: Final answer
x = 77,362.14
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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.