Finding the Fourth Proportional to 88,967.96, 122,913.68 and 74,602.43
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Solution
The fourth proportional to 88,967.96, 122,913.68 and 74,602.43 is: 103,066.98
Step by Step Solution
- Step 1: Write the proportion equation
88,967.96 : 122,913.68 = 74,602.43 : x - Step 2: Convert to fraction form
88,967.96/122,913.68 = 74,602.43/x - Step 3: Cross multiply
88,967.96x = 122,913.68 × 74,602.43 - Step 4: Simplify right side
88,967.96x = 9,169,659,208.24 - Step 5: Solve for x
x = 9,169,659,208.24/88,967.96 - Step 6: Final answer
x = 103,066.98
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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.