Finding the Fourth Proportional to 88,265.97, 121,779.05 and 54,751.41
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Solution
The fourth proportional to 88,265.97, 121,779.05 and 54,751.41 is: 75,539.58
Step by Step Solution
- Step 1: Write the proportion equation
88,265.97 : 121,779.05 = 54,751.41 : x - Step 2: Convert to fraction form
88,265.97/121,779.05 = 54,751.41/x - Step 3: Cross multiply
88,265.97x = 121,779.05 × 54,751.41 - Step 4: Simplify right side
88,265.97x = 6,667,574,422.20 - Step 5: Solve for x
x = 6,667,574,422.20/88,265.97 - Step 6: Final answer
x = 75,539.58
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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.