Finding the Fourth Proportional to 88,239.44, 121,772.76 and 50,525.84
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Solution
The fourth proportional to 88,239.44, 121,772.76 and 50,525.84 is: 69,726.99
Step by Step Solution
- Step 1: Write the proportion equation
88,239.44 : 121,772.76 = 50,525.84 : x - Step 2: Convert to fraction form
88,239.44/121,772.76 = 50,525.84/x - Step 3: Cross multiply
88,239.44x = 121,772.76 × 50,525.84 - Step 4: Simplify right side
88,239.44x = 6,152,670,988.12 - Step 5: Solve for x
x = 6,152,670,988.12/88,239.44 - Step 6: Final answer
x = 69,726.99
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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.