Finding the Fourth Proportional to 88,214.56, 121,736.30 and 47,927.96
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Solution
The fourth proportional to 88,214.56, 121,736.30 and 47,927.96 is: 66,140.70
Step by Step Solution
- Step 1: Write the proportion equation
88,214.56 : 121,736.30 = 47,927.96 : x - Step 2: Convert to fraction form
88,214.56/121,736.30 = 47,927.96/x - Step 3: Cross multiply
88,214.56x = 121,736.30 × 47,927.96 - Step 4: Simplify right side
88,214.56x = 5,834,572,516.95 - Step 5: Solve for x
x = 5,834,572,516.95/88,214.56 - Step 6: Final answer
x = 66,140.70
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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.