Finding the Fourth Proportional to 88,691.64, 122,393.48 and 48,405.08
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Solution
The fourth proportional to 88,691.64, 122,393.48 and 48,405.08 is: 66,798.46
Step by Step Solution
- Step 1: Write the proportion equation
88,691.64 : 122,393.48 = 48,405.08 : x - Step 2: Convert to fraction form
88,691.64/122,393.48 = 48,405.08/x - Step 3: Cross multiply
88,691.64x = 122,393.48 × 48,405.08 - Step 4: Simplify right side
88,691.64x = 5,924,465,336.89 - Step 5: Solve for x
x = 5,924,465,336.89/88,691.64 - Step 6: Final answer
x = 66,798.46
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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.