Finding the Fourth Proportional to 88,184.24, 121,695.15 and 47,898.79
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Solution
The fourth proportional to 88,184.24, 121,695.15 and 47,898.79 is: 66,100.82
Step by Step Solution
- Step 1: Write the proportion equation
88,184.24 : 121,695.15 = 47,898.79 : x - Step 2: Convert to fraction form
88,184.24/121,695.15 = 47,898.79/x - Step 3: Cross multiply
88,184.24x = 121,695.15 × 47,898.79 - Step 4: Simplify right side
88,184.24x = 5,829,050,194.37 - Step 5: Solve for x
x = 5,829,050,194.37/88,184.24 - Step 6: Final answer
x = 66,100.82
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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.