Finding the Fourth Proportional to 88,307.21, 121,866.26 and 48,023.33
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Solution
The fourth proportional to 88,307.21, 121,866.26 and 48,023.33 is: 66,273.44
Step by Step Solution
- Step 1: Write the proportion equation
88,307.21 : 121,866.26 = 48,023.33 : x - Step 2: Convert to fraction form
88,307.21/121,866.26 = 48,023.33/x - Step 3: Cross multiply
88,307.21x = 121,866.26 × 48,023.33 - Step 4: Simplify right side
88,307.21x = 5,852,422,770.40 - Step 5: Solve for x
x = 5,852,422,770.40/88,307.21 - Step 6: Final answer
x = 66,273.44
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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.