Finding the Fourth Proportional to 88,023.18, 121,472.06 and 47,736.94
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Solution
The fourth proportional to 88,023.18, 121,472.06 and 47,736.94 is: 65,877.02
Step by Step Solution
- Step 1: Write the proportion equation
88,023.18 : 121,472.06 = 47,736.94 : x - Step 2: Convert to fraction form
88,023.18/121,472.06 = 47,736.94/x - Step 3: Cross multiply
88,023.18x = 121,472.06 × 47,736.94 - Step 4: Simplify right side
88,023.18x = 5,798,704,439.90 - Step 5: Solve for x
x = 5,798,704,439.90/88,023.18 - Step 6: Final answer
x = 65,877.02
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1.5x scale
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.