Finding the Fourth Proportional to 94,608.99, 130,424.73 and 74,430.84
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Solution
The fourth proportional to 94,608.99, 130,424.73 and 74,430.84 is: 102,607.82
Step by Step Solution
- Step 1: Write the proportion equation
94,608.99 : 130,424.73 = 74,430.84 : x - Step 2: Convert to fraction form
94,608.99/130,424.73 = 74,430.84/x - Step 3: Cross multiply
94,608.99x = 130,424.73 × 74,430.84 - Step 4: Simplify right side
94,608.99x = 9,707,622,210.67 - Step 5: Solve for x
x = 9,707,622,210.67/94,608.99 - Step 6: Final answer
x = 102,607.82
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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.