Finding the Fourth Proportional to 107,043.20, 160,564.80 and 62,647.10
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Solution
The fourth proportional to 107,043.20, 160,564.80 and 62,647.10 is: 93,970.65
Step by Step Solution
- Step 1: Write the proportion equation
107,043.20 : 160,564.80 = 62,647.10 : x - Step 2: Convert to fraction form
107,043.20/160,564.80 = 62,647.10/x - Step 3: Cross multiply
107,043.20x = 160,564.80 × 62,647.10 - Step 4: Simplify right side
107,043.20x = 10,058,919,082.08 - Step 5: Solve for x
x = 10,058,919,082.08/107,043.20 - Step 6: Final answer
x = 93,970.65
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1.5x scale
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.