Finding the Fourth Proportional to 74,477.80, 102,769.22 and 44,252.11
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Solution
The fourth proportional to 74,477.80, 102,769.22 and 44,252.11 is: 61,061.88
Step by Step Solution
- Step 1: Write the proportion equation
74,477.80 : 102,769.22 = 44,252.11 : x - Step 2: Convert to fraction form
74,477.80/102,769.22 = 44,252.11/x - Step 3: Cross multiply
74,477.80x = 102,769.22 × 44,252.11 - Step 4: Simplify right side
74,477.80x = 4,547,754,828.05 - Step 5: Solve for x
x = 4,547,754,828.05/74,477.80 - Step 6: Final answer
x = 61,061.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.