Finding the Fourth Proportional to 77,811.90, 116,721.99 and 24,508.05
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Solution
The fourth proportional to 77,811.90, 116,721.99 and 24,508.05 is: 36,763.38
Step by Step Solution
- Step 1: Write the proportion equation
77,811.90 : 116,721.99 = 24,508.05 : x - Step 2: Convert to fraction form
77,811.90/116,721.99 = 24,508.05/x - Step 3: Cross multiply
77,811.90x = 116,721.99 × 24,508.05 - Step 4: Simplify right side
77,811.90x = 2,860,628,367.02 - Step 5: Solve for x
x = 2,860,628,367.02/77,811.90 - Step 6: Final answer
x = 36,763.38
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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.