Finding the Fourth Proportional to 83,746.05, 125,636.39 and 27,589.58
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Solution
The fourth proportional to 83,746.05, 125,636.39 and 27,589.58 is: 41,390.07
Step by Step Solution
- Step 1: Write the proportion equation
83,746.05 : 125,636.39 = 27,589.58 : x - Step 2: Convert to fraction form
83,746.05/125,636.39 = 27,589.58/x - Step 3: Cross multiply
83,746.05x = 125,636.39 × 27,589.58 - Step 4: Simplify right side
83,746.05x = 3,466,254,466.69 - Step 5: Solve for x
x = 3,466,254,466.69/83,746.05 - Step 6: Final answer
x = 41,390.07
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1.5x scale
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.