Finding the Fourth Proportional to 77,090.84, 115,634.58 and 35,537.84
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Solution
The fourth proportional to 77,090.84, 115,634.58 and 35,537.84 is: 53,305.99
Step by Step Solution
- Step 1: Write the proportion equation
77,090.84 : 115,634.58 = 35,537.84 : x - Step 2: Convert to fraction form
77,090.84/115,634.58 = 35,537.84/x - Step 3: Cross multiply
77,090.84x = 115,634.58 × 35,537.84 - Step 4: Simplify right side
77,090.84x = 4,109,403,202.51 - Step 5: Solve for x
x = 4,109,403,202.51/77,090.84 - Step 6: Final answer
x = 53,305.99
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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.