Finding the Fourth Proportional to 77,356.05, 106,743.33 and 45,523.05
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Solution
The fourth proportional to 77,356.05, 106,743.33 and 45,523.05 is: 62,817.09
Step by Step Solution
- Step 1: Write the proportion equation
77,356.05 : 106,743.33 = 45,523.05 : x - Step 2: Convert to fraction form
77,356.05/106,743.33 = 45,523.05/x - Step 3: Cross multiply
77,356.05x = 106,743.33 × 45,523.05 - Step 4: Simplify right side
77,356.05x = 4,859,281,948.76 - Step 5: Solve for x
x = 4,859,281,948.76/77,356.05 - Step 6: Final answer
x = 62,817.09
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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.