Finding the Fourth Proportional to 88,177.74, 121,686.74 and 47,891.53
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Solution
The fourth proportional to 88,177.74, 121,686.74 and 47,891.53 is: 66,091.10
Step by Step Solution
- Step 1: Write the proportion equation
88,177.74 : 121,686.74 = 47,891.53 : x - Step 2: Convert to fraction form
88,177.74/121,686.74 = 47,891.53/x - Step 3: Cross multiply
88,177.74x = 121,686.74 × 47,891.53 - Step 4: Simplify right side
88,177.74x = 5,827,764,071.96 - Step 5: Solve for x
x = 5,827,764,071.96/88,177.74 - Step 6: Final answer
x = 66,091.10
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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.