Finding the Fourth Proportional to 88,113.32, 121,596.49 and 47,827.08
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Solution
The fourth proportional to 88,113.32, 121,596.49 and 47,827.08 is: 66,001.43
Step by Step Solution
- Step 1: Write the proportion equation
88,113.32 : 121,596.49 = 47,827.08 : x - Step 2: Convert to fraction form
88,113.32/121,596.49 = 47,827.08/x - Step 3: Cross multiply
88,113.32x = 121,596.49 × 47,827.08 - Step 4: Simplify right side
88,113.32x = 5,815,605,054.95 - Step 5: Solve for x
x = 5,815,605,054.95/88,113.32 - Step 6: Final answer
x = 66,001.43
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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.