Finding the Fourth Proportional to 88,641.39, 132,963.26 and 29,477.07
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Solution
The fourth proportional to 88,641.39, 132,963.26 and 29,477.07 is: 44,215.99
Step by Step Solution
- Step 1: Write the proportion equation
88,641.39 : 132,963.26 = 29,477.07 : x - Step 2: Convert to fraction form
88,641.39/132,963.26 = 29,477.07/x - Step 3: Cross multiply
88,641.39x = 132,963.26 × 29,477.07 - Step 4: Simplify right side
88,641.39x = 3,919,367,175.06 - Step 5: Solve for x
x = 3,919,367,175.06/88,641.39 - Step 6: Final answer
x = 44,215.99
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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.