Finding the Fourth Proportional to 88,114.51, 132,128.35 and 31,946.18
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Solution
The fourth proportional to 88,114.51, 132,128.35 and 31,946.18 is: 47,903.53
Step by Step Solution
- Step 1: Write the proportion equation
88,114.51 : 132,128.35 = 31,946.18 : x - Step 2: Convert to fraction form
88,114.51/132,128.35 = 31,946.18/x - Step 3: Cross multiply
88,114.51x = 132,128.35 × 31,946.18 - Step 4: Simplify right side
88,114.51x = 4,220,996,302.66 - Step 5: Solve for x
x = 4,220,996,302.66/88,114.51 - Step 6: Final answer
x = 47,903.53
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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.