Finding the Fourth Proportional to 88,094.12, 121,567.02 and 49,331.96
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Solution
The fourth proportional to 88,094.12, 121,567.02 and 49,331.96 is: 68,076.50
Step by Step Solution
- Step 1: Write the proportion equation
88,094.12 : 121,567.02 = 49,331.96 : x - Step 2: Convert to fraction form
88,094.12/121,567.02 = 49,331.96/x - Step 3: Cross multiply
88,094.12x = 121,567.02 × 49,331.96 - Step 4: Simplify right side
88,094.12x = 5,997,139,367.96 - Step 5: Solve for x
x = 5,997,139,367.96/88,094.12 - Step 6: Final answer
x = 68,076.50
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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.