Finding the Fourth Proportional to 88,053.36, 121,511.76 and 47,765.58
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Solution
The fourth proportional to 88,053.36, 121,511.76 and 47,765.58 is: 65,915.48
Step by Step Solution
- Step 1: Write the proportion equation
88,053.36 : 121,511.76 = 47,765.58 : x - Step 2: Convert to fraction form
88,053.36/121,511.76 = 47,765.58/x - Step 3: Cross multiply
88,053.36x = 121,511.76 × 47,765.58 - Step 4: Simplify right side
88,053.36x = 5,804,079,693.22 - Step 5: Solve for x
x = 5,804,079,693.22/88,053.36 - Step 6: Final answer
x = 65,915.48
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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.