Finding the Fourth Proportional to 74,343.57, 102,569.16 and 47,501.79
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Solution
The fourth proportional to 74,343.57, 102,569.16 and 47,501.79 is: 65,536.52
Step by Step Solution
- Step 1: Write the proportion equation
74,343.57 : 102,569.16 = 47,501.79 : x - Step 2: Convert to fraction form
74,343.57/102,569.16 = 47,501.79/x - Step 3: Cross multiply
74,343.57x = 102,569.16 × 47,501.79 - Step 4: Simplify right side
74,343.57x = 4,872,218,935.65 - Step 5: Solve for x
x = 4,872,218,935.65/74,343.57 - Step 6: Final answer
x = 65,536.52
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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.