Finding the Fourth Proportional to 104,990.99, 157,551.77 and 42,661.49
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Solution
The fourth proportional to 104,990.99, 157,551.77 and 42,661.49 is: 64,018.76
Step by Step Solution
- Step 1: Write the proportion equation
104,990.99 : 157,551.77 = 42,661.49 : x - Step 2: Convert to fraction form
104,990.99/157,551.77 = 42,661.49/x - Step 3: Cross multiply
104,990.99x = 157,551.77 × 42,661.49 - Step 4: Simplify right side
104,990.99x = 6,721,392,579.23 - Step 5: Solve for x
x = 6,721,392,579.23/104,990.99 - Step 6: Final answer
x = 64,018.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.