Finding the Fourth Proportional to 77,479.68, 116,219.52 and 54,151.68
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Solution
The fourth proportional to 77,479.68, 116,219.52 and 54,151.68 is: 81,227.52
Step by Step Solution
- Step 1: Write the proportion equation
77,479.68 : 116,219.52 = 54,151.68 : x - Step 2: Convert to fraction form
77,479.68/116,219.52 = 54,151.68/x - Step 3: Cross multiply
77,479.68x = 116,219.52 × 54,151.68 - Step 4: Simplify right side
77,479.68x = 6,293,482,256.79 - Step 5: Solve for x
x = 6,293,482,256.79/77,479.68 - Step 6: Final answer
x = 81,227.52
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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.