Finding the Fourth Proportional to 79,726.64, 119,358.28 and 46,344.92
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Solution
The fourth proportional to 79,726.64, 119,358.28 and 46,344.92 is: 69,382.70
Step by Step Solution
- Step 1: Write the proportion equation
79,726.64 : 119,358.28 = 46,344.92 : x - Step 2: Convert to fraction form
79,726.64/119,358.28 = 46,344.92/x - Step 3: Cross multiply
79,726.64x = 119,358.28 × 46,344.92 - Step 4: Simplify right side
79,726.64x = 5,531,649,937.94 - Step 5: Solve for x
x = 5,531,649,937.94/79,726.64 - Step 6: Final answer
x = 69,382.70
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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.