Finding the Fourth Proportional to 69,961.18, 104,941.76 and 17,370.66
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Solution
The fourth proportional to 69,961.18, 104,941.76 and 17,370.66 is: 26,055.99
Step by Step Solution
- Step 1: Write the proportion equation
69,961.18 : 104,941.76 = 17,370.66 : x - Step 2: Convert to fraction form
69,961.18/104,941.76 = 17,370.66/x - Step 3: Cross multiply
69,961.18x = 104,941.76 × 17,370.66 - Step 4: Simplify right side
69,961.18x = 1,822,907,545.91 - Step 5: Solve for x
x = 1,822,907,545.91/69,961.18 - Step 6: Final answer
x = 26,055.99
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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.