Finding the Fourth Proportional to 106,930.47, 160,395.80 and 32,058.48
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Solution
The fourth proportional to 106,930.47, 160,395.80 and 32,058.48 is: 48,087.75
Step by Step Solution
- Step 1: Write the proportion equation
106,930.47 : 160,395.80 = 32,058.48 : x - Step 2: Convert to fraction form
106,930.47/160,395.80 = 32,058.48/x - Step 3: Cross multiply
106,930.47x = 160,395.80 × 32,058.48 - Step 4: Simplify right side
106,930.47x = 5,142,045,386.09 - Step 5: Solve for x
x = 5,142,045,386.09/106,930.47 - Step 6: Final answer
x = 48,087.75
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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.