Finding the Fourth Proportional to 75,721.19, 104,495.95 and 41,730.92
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Solution
The fourth proportional to 75,721.19, 104,495.95 and 41,730.92 is: 57,589.06
Step by Step Solution
- Step 1: Write the proportion equation
75,721.19 : 104,495.95 = 41,730.92 : x - Step 2: Convert to fraction form
75,721.19/104,495.95 = 41,730.92/x - Step 3: Cross multiply
75,721.19x = 104,495.95 × 41,730.92 - Step 4: Simplify right side
75,721.19x = 4,360,711,698.90 - Step 5: Solve for x
x = 4,360,711,698.90/75,721.19 - Step 6: Final answer
x = 57,589.06
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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.