Finding the Fourth Proportional to 97,226.09, 145,780.81 and 37,991.19
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Solution
The fourth proportional to 97,226.09, 145,780.81 and 37,991.19 is: 56,963.99
Step by Step Solution
- Step 1: Write the proportion equation
97,226.09 : 145,780.81 = 37,991.19 : x - Step 2: Convert to fraction form
97,226.09/145,780.81 = 37,991.19/x - Step 3: Cross multiply
97,226.09x = 145,780.81 × 37,991.19 - Step 4: Simplify right side
97,226.09x = 5,538,386,451.06 - Step 5: Solve for x
x = 5,538,386,451.06/97,226.09 - Step 6: Final answer
x = 56,963.99
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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.