Finding the Fourth Proportional to 75,373.84, 104,017.14 and 41,385.48
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Solution
The fourth proportional to 75,373.84, 104,017.14 and 41,385.48 is: 57,112.64
Step by Step Solution
- Step 1: Write the proportion equation
75,373.84 : 104,017.14 = 41,385.48 : x - Step 2: Convert to fraction form
75,373.84/104,017.14 = 41,385.48/x - Step 3: Cross multiply
75,373.84x = 104,017.14 × 41,385.48 - Step 4: Simplify right side
75,373.84x = 4,304,799,267.13 - Step 5: Solve for x
x = 4,304,799,267.13/75,373.84 - Step 6: Final answer
x = 57,112.64
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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.