Finding the Fourth Proportional to 91,028.36, 136,604.46 and 55,860.68
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Solution
The fourth proportional to 91,028.36, 136,604.46 and 55,860.68 is: 83,829.02
Step by Step Solution
- Step 1: Write the proportion equation
91,028.36 : 136,604.46 = 55,860.68 : x - Step 2: Convert to fraction form
91,028.36/136,604.46 = 55,860.68/x - Step 3: Cross multiply
91,028.36x = 136,604.46 × 55,860.68 - Step 4: Simplify right side
91,028.36x = 7,630,818,026.63 - Step 5: Solve for x
x = 7,630,818,026.63/91,028.36 - Step 6: Final answer
x = 83,829.02
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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.