Finding the Fourth Proportional to 84,574.29, 126,861.29 and 37,178.06
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Solution
The fourth proportional to 84,574.29, 126,861.29 and 37,178.06 is: 55,767.02
Step by Step Solution
- Step 1: Write the proportion equation
84,574.29 : 126,861.29 = 37,178.06 : x - Step 2: Convert to fraction form
84,574.29/126,861.29 = 37,178.06/x - Step 3: Cross multiply
84,574.29x = 126,861.29 × 37,178.06 - Step 4: Simplify right side
84,574.29x = 4,716,455,970.52 - Step 5: Solve for x
x = 4,716,455,970.52/84,574.29 - Step 6: Final answer
x = 55,767.02
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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.