Finding the Fourth Proportional to 79,869.96, 110,225.58 and 45,889.08
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Solution
The fourth proportional to 79,869.96, 110,225.58 and 45,889.08 is: 63,329.82
Step by Step Solution
- Step 1: Write the proportion equation
79,869.96 : 110,225.58 = 45,889.08 : x - Step 2: Convert to fraction form
79,869.96/110,225.58 = 45,889.08/x - Step 3: Cross multiply
79,869.96x = 110,225.58 × 45,889.08 - Step 4: Simplify right side
79,869.96x = 5,058,150,458.67 - Step 5: Solve for x
x = 5,058,150,458.67/79,869.96 - Step 6: Final answer
x = 63,329.82
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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.