Finding the Fourth Proportional to 77,710.04, 107,240.02 and 45,880.99
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Solution
The fourth proportional to 77,710.04, 107,240.02 and 45,880.99 is: 63,315.86
Step by Step Solution
- Step 1: Write the proportion equation
77,710.04 : 107,240.02 = 45,880.99 : x - Step 2: Convert to fraction form
77,710.04/107,240.02 = 45,880.99/x - Step 3: Cross multiply
77,710.04x = 107,240.02 × 45,880.99 - Step 4: Simplify right side
77,710.04x = 4,920,277,902.42 - Step 5: Solve for x
x = 4,920,277,902.42/77,710.04 - Step 6: Final answer
x = 63,315.86
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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.