Finding the Fourth Proportional to 88,309.70, 121,868.19 and 48,023.84
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Solution
The fourth proportional to 88,309.70, 121,868.19 and 48,023.84 is: 66,273.33
Step by Step Solution
- Step 1: Write the proportion equation
88,309.70 : 121,868.19 = 48,023.84 : x - Step 2: Convert to fraction form
88,309.70/121,868.19 = 48,023.84/x - Step 3: Cross multiply
88,309.70x = 121,868.19 × 48,023.84 - Step 4: Simplify right side
88,309.70x = 5,852,577,848.31 - Step 5: Solve for x
x = 5,852,577,848.31/88,309.70 - Step 6: Final answer
x = 66,273.33
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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.