Finding the Fourth Proportional to 88,342.23, 121,913.75 and 48,056.21
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Solution
The fourth proportional to 88,342.23, 121,913.75 and 48,056.21 is: 66,318.37
Step by Step Solution
- Step 1: Write the proportion equation
88,342.23 : 121,913.75 = 48,056.21 : x - Step 2: Convert to fraction form
88,342.23/121,913.75 = 48,056.21/x - Step 3: Cross multiply
88,342.23x = 121,913.75 × 48,056.21 - Step 4: Simplify right side
88,342.23x = 5,858,712,744.62 - Step 5: Solve for x
x = 5,858,712,744.62/88,342.23 - Step 6: Final answer
x = 66,318.37
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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.