Finding the Fourth Proportional to 94,990.74, 142,437.51 and 50,641.62
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Solution
The fourth proportional to 94,990.74, 142,437.51 and 50,641.62 is: 75,936.52
Step by Step Solution
- Step 1: Write the proportion equation
94,990.74 : 142,437.51 = 50,641.62 : x - Step 2: Convert to fraction form
94,990.74/142,437.51 = 50,641.62/x - Step 3: Cross multiply
94,990.74x = 142,437.51 × 50,641.62 - Step 4: Simplify right side
94,990.74x = 7,213,266,255.17 - Step 5: Solve for x
x = 7,213,266,255.17/94,990.74 - Step 6: Final answer
x = 75,936.52
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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.