Finding the Fourth Proportional to 79,763.24, 110,068.26 and 47,913.32
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Solution
The fourth proportional to 79,763.24, 110,068.26 and 47,913.32 is: 66,117.37
Step by Step Solution
- Step 1: Write the proportion equation
79,763.24 : 110,068.26 = 47,913.32 : x - Step 2: Convert to fraction form
79,763.24/110,068.26 = 47,913.32/x - Step 3: Cross multiply
79,763.24x = 110,068.26 × 47,913.32 - Step 4: Simplify right side
79,763.24x = 5,273,735,763.22 - Step 5: Solve for x
x = 5,273,735,763.22/79,763.24 - Step 6: Final answer
x = 66,117.37
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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.