Finding the Fourth Proportional to 77,307.53, 115,994.30 and 32,955.17
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Solution
The fourth proportional to 77,307.53, 115,994.30 and 32,955.17 is: 49,446.82
Step by Step Solution
- Step 1: Write the proportion equation
77,307.53 : 115,994.30 = 32,955.17 : x - Step 2: Convert to fraction form
77,307.53/115,994.30 = 32,955.17/x - Step 3: Cross multiply
77,307.53x = 115,994.30 × 32,955.17 - Step 4: Simplify right side
77,307.53x = 3,822,611,130.78 - Step 5: Solve for x
x = 3,822,611,130.78/77,307.53 - Step 6: Final answer
x = 49,446.82
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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.