Finding the Fourth Proportional to 106,502.36, 146,972.28 and 58,756.08
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Solution
The fourth proportional to 106,502.36, 146,972.28 and 58,756.08 is: 81,082.85
Step by Step Solution
- Step 1: Write the proportion equation
106,502.36 : 146,972.28 = 58,756.08 : x - Step 2: Convert to fraction form
106,502.36/146,972.28 = 58,756.08/x - Step 3: Cross multiply
106,502.36x = 146,972.28 × 58,756.08 - Step 4: Simplify right side
106,502.36x = 8,635,515,041.46 - Step 5: Solve for x
x = 8,635,515,041.46/106,502.36 - Step 6: Final answer
x = 81,082.85
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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.