Finding the Fourth Proportional to 77,957.68, 116,926.80 and 45,955.12
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Solution
The fourth proportional to 77,957.68, 116,926.80 and 45,955.12 is: 68,926.95
Step by Step Solution
- Step 1: Write the proportion equation
77,957.68 : 116,926.80 = 45,955.12 : x - Step 2: Convert to fraction form
77,957.68/116,926.80 = 45,955.12/x - Step 3: Cross multiply
77,957.68x = 116,926.80 × 45,955.12 - Step 4: Simplify right side
77,957.68x = 5,373,385,125.22 - Step 5: Solve for x
x = 5,373,385,125.22/77,957.68 - Step 6: Final answer
x = 68,926.95
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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.