Finding the Fourth Proportional to 69,718.86, 104,579.64 and 22,972.14
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Solution
The fourth proportional to 69,718.86, 104,579.64 and 22,972.14 is: 34,458.65
Step by Step Solution
- Step 1: Write the proportion equation
69,718.86 : 104,579.64 = 22,972.14 : x - Step 2: Convert to fraction form
69,718.86/104,579.64 = 22,972.14/x - Step 3: Cross multiply
69,718.86x = 104,579.64 × 22,972.14 - Step 4: Simplify right side
69,718.86x = 2,402,418,131.23 - Step 5: Solve for x
x = 2,402,418,131.23/69,718.86 - Step 6: Final answer
x = 34,458.65
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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.