Finding the Fourth Proportional to 93,519.56, 129,057.68 and 51,078.09
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Solution
The fourth proportional to 93,519.56, 129,057.68 and 51,078.09 is: 70,488.14
Step by Step Solution
- Step 1: Write the proportion equation
93,519.56 : 129,057.68 = 51,078.09 : x - Step 2: Convert to fraction form
93,519.56/129,057.68 = 51,078.09/x - Step 3: Cross multiply
93,519.56x = 129,057.68 × 51,078.09 - Step 4: Simplify right side
93,519.56x = 6,592,020,262.24 - Step 5: Solve for x
x = 6,592,020,262.24/93,519.56 - Step 6: Final answer
x = 70,488.14
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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.