Finding the Fourth Proportional to 88,360.96, 121,937.16 and 48,074.08
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Solution
The fourth proportional to 88,360.96, 121,937.16 and 48,074.08 is: 66,341.71
Step by Step Solution
- Step 1: Write the proportion equation
88,360.96 : 121,937.16 = 48,074.08 : x - Step 2: Convert to fraction form
88,360.96/121,937.16 = 48,074.08/x - Step 3: Cross multiply
88,360.96x = 121,937.16 × 48,074.08 - Step 4: Simplify right side
88,360.96x = 5,862,016,784.81 - Step 5: Solve for x
x = 5,862,016,784.81/88,360.96 - Step 6: Final answer
x = 66,341.71
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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.