Finding the Fourth Proportional to 83,054.84, 114,615.41 and 45,329.09
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Solution
The fourth proportional to 83,054.84, 114,615.41 and 45,329.09 is: 62,553.99
Step by Step Solution
- Step 1: Write the proportion equation
83,054.84 : 114,615.41 = 45,329.09 : x - Step 2: Convert to fraction form
83,054.84/114,615.41 = 45,329.09/x - Step 3: Cross multiply
83,054.84x = 114,615.41 × 45,329.09 - Step 4: Simplify right side
83,054.84x = 5,195,411,435.55 - Step 5: Solve for x
x = 5,195,411,435.55/83,054.84 - Step 6: Final answer
x = 62,553.99
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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.