Finding the Fourth Proportional to 88,380.04, 121,964.94 and 48,094.08
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Solution
The fourth proportional to 88,380.04, 121,964.94 and 48,094.08 is: 66,370.09
Step by Step Solution
- Step 1: Write the proportion equation
88,380.04 : 121,964.94 = 48,094.08 : x - Step 2: Convert to fraction form
88,380.04/121,964.94 = 48,094.08/x - Step 3: Cross multiply
88,380.04x = 121,964.94 × 48,094.08 - Step 4: Simplify right side
88,380.04x = 5,865,791,581.56 - Step 5: Solve for x
x = 5,865,791,581.56/88,380.04 - Step 6: Final answer
x = 66,370.09
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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.