Finding the Fourth Proportional to 77,357.01, 115,956.14 and 44,006.07
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Solution
The fourth proportional to 77,357.01, 115,956.14 and 44,006.07 is: 65,963.95
Step by Step Solution
- Step 1: Write the proportion equation
77,357.01 : 115,956.14 = 44,006.07 : x - Step 2: Convert to fraction form
77,357.01/115,956.14 = 44,006.07/x - Step 3: Cross multiply
77,357.01x = 115,956.14 × 44,006.07 - Step 4: Simplify right side
77,357.01x = 5,102,773,793.74 - Step 5: Solve for x
x = 5,102,773,793.74/77,357.01 - Step 6: Final answer
x = 65,963.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.