Finding the Fourth Proportional to 88,276.52, 121,823.99 and 47,993.04
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Solution
The fourth proportional to 88,276.52, 121,823.99 and 47,993.04 is: 66,231.70
Step by Step Solution
- Step 1: Write the proportion equation
88,276.52 : 121,823.99 = 47,993.04 : x - Step 2: Convert to fraction form
88,276.52/121,823.99 = 47,993.04/x - Step 3: Cross multiply
88,276.52x = 121,823.99 × 47,993.04 - Step 4: Simplify right side
88,276.52x = 5,846,703,385.06 - Step 5: Solve for x
x = 5,846,703,385.06/88,276.52 - Step 6: Final answer
x = 66,231.70
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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.