Finding the Fourth Proportional to 88,779.69, 122,519.61 and 51,053.94
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Solution
The fourth proportional to 88,779.69, 122,519.61 and 51,053.94 is: 70,456.53
Step by Step Solution
- Step 1: Write the proportion equation
88,779.69 : 122,519.61 = 51,053.94 : x - Step 2: Convert to fraction form
88,779.69/122,519.61 = 51,053.94/x - Step 3: Cross multiply
88,779.69x = 122,519.61 × 51,053.94 - Step 4: Simplify right side
88,779.69x = 6,255,108,817.76 - Step 5: Solve for x
x = 6,255,108,817.76/88,779.69 - Step 6: Final answer
x = 70,456.53
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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.