Finding the Fourth Proportional to 79,818.60, 110,149.68 and 45,829.31
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Solution
The fourth proportional to 79,818.60, 110,149.68 and 45,829.31 is: 63,244.45
Step by Step Solution
- Step 1: Write the proportion equation
79,818.60 : 110,149.68 = 45,829.31 : x - Step 2: Convert to fraction form
79,818.60/110,149.68 = 45,829.31/x - Step 3: Cross multiply
79,818.60x = 110,149.68 × 45,829.31 - Step 4: Simplify right side
79,818.60x = 5,048,083,280.37 - Step 5: Solve for x
x = 5,048,083,280.37/79,818.60 - Step 6: Final answer
x = 63,244.45
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1.5x scale
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.