Finding the Fourth Proportional to 74,195.19, 102,332.16 and 51,533.82
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Solution
The fourth proportional to 74,195.19, 102,332.16 and 51,533.82 is: 71,076.94
Step by Step Solution
- Step 1: Write the proportion equation
74,195.19 : 102,332.16 = 51,533.82 : x - Step 2: Convert to fraction form
74,195.19/102,332.16 = 51,533.82/x - Step 3: Cross multiply
74,195.19x = 102,332.16 × 51,533.82 - Step 4: Simplify right side
74,195.19x = 5,273,567,113.65 - Step 5: Solve for x
x = 5,273,567,113.65/74,195.19 - Step 6: Final answer
x = 71,076.94
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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.