Finding the Fourth Proportional to 99,619.68, 137,475.26 and 54,297.70
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Solution
The fourth proportional to 99,619.68, 137,475.26 and 54,297.70 is: 74,930.88
Step by Step Solution
- Step 1: Write the proportion equation
99,619.68 : 137,475.26 = 54,297.70 : x - Step 2: Convert to fraction form
99,619.68/137,475.26 = 54,297.70/x - Step 3: Cross multiply
99,619.68x = 137,475.26 × 54,297.70 - Step 4: Simplify right side
99,619.68x = 7,464,590,153.41 - Step 5: Solve for x
x = 7,464,590,153.41/99,619.68 - Step 6: Final answer
x = 74,930.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.