Finding the Fourth Proportional to 88,233.95, 121,762.76 and 47,947.62
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Solution
The fourth proportional to 88,233.95, 121,762.76 and 47,947.62 is: 66,167.67
Step by Step Solution
- Step 1: Write the proportion equation
88,233.95 : 121,762.76 = 47,947.62 : x - Step 2: Convert to fraction form
88,233.95/121,762.76 = 47,947.62/x - Step 3: Cross multiply
88,233.95x = 121,762.76 × 47,947.62 - Step 4: Simplify right side
88,233.95x = 5,838,234,546.63 - Step 5: Solve for x
x = 5,838,234,546.63/88,233.95 - Step 6: Final answer
x = 66,167.67
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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.