Finding the Fourth Proportional to 106,052.09, 159,058.99 and 42,869.66
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Solution
The fourth proportional to 106,052.09, 159,058.99 and 42,869.66 is: 64,296.75
Step by Step Solution
- Step 1: Write the proportion equation
106,052.09 : 159,058.99 = 42,869.66 : x - Step 2: Convert to fraction form
106,052.09/159,058.99 = 42,869.66/x - Step 3: Cross multiply
106,052.09x = 159,058.99 × 42,869.66 - Step 4: Simplify right side
106,052.09x = 6,818,804,079.54 - Step 5: Solve for x
x = 6,818,804,079.54/106,052.09 - Step 6: Final answer
x = 64,296.75
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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.