Finding the Fourth Proportional to 74,698.24, 103,125.76 and 49,582.08
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Solution
The fourth proportional to 74,698.24, 103,125.76 and 49,582.08 is: 68,451.27
Step by Step Solution
- Step 1: Write the proportion equation
74,698.24 : 103,125.76 = 49,582.08 : x - Step 2: Convert to fraction form
74,698.24/103,125.76 = 49,582.08/x - Step 3: Cross multiply
74,698.24x = 103,125.76 × 49,582.08 - Step 4: Simplify right side
74,698.24x = 5,113,189,682.38 - Step 5: Solve for x
x = 5,113,189,682.38/74,698.24 - Step 6: Final answer
x = 68,451.27
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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.