Finding the Fourth Proportional to 106,362.24, 146,779.24 and 57,964.08
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Solution
The fourth proportional to 106,362.24, 146,779.24 and 57,964.08 is: 79,990.08
Step by Step Solution
- Step 1: Write the proportion equation
106,362.24 : 146,779.24 = 57,964.08 : x - Step 2: Convert to fraction form
106,362.24/146,779.24 = 57,964.08/x - Step 3: Cross multiply
106,362.24x = 146,779.24 × 57,964.08 - Step 4: Simplify right side
106,362.24x = 8,507,923,609.70 - Step 5: Solve for x
x = 8,507,923,609.70/106,362.24 - Step 6: Final answer
x = 79,990.08
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1.5x scale
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.