Finding the Fourth Proportional to 89,946.24, 134,959.14 and 47,241.62
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Solution
The fourth proportional to 89,946.24, 134,959.14 and 47,241.62 is: 70,883.32
Step by Step Solution
- Step 1: Write the proportion equation
89,946.24 : 134,959.14 = 47,241.62 : x - Step 2: Convert to fraction form
89,946.24/134,959.14 = 47,241.62/x - Step 3: Cross multiply
89,946.24x = 134,959.14 × 47,241.62 - Step 4: Simplify right side
89,946.24x = 6,375,688,407.41 - Step 5: Solve for x
x = 6,375,688,407.41/89,946.24 - Step 6: Final answer
x = 70,883.32
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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.