Finding the Fourth Proportional to 91,837.49, 137,746.51 and 29,503.13
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Solution
The fourth proportional to 91,837.49, 137,746.51 and 29,503.13 is: 44,251.56
Step by Step Solution
- Step 1: Write the proportion equation
91,837.49 : 137,746.51 = 29,503.13 : x - Step 2: Convert to fraction form
91,837.49/137,746.51 = 29,503.13/x - Step 3: Cross multiply
91,837.49x = 137,746.51 × 29,503.13 - Step 4: Simplify right side
91,837.49x = 4,063,952,429.09 - Step 5: Solve for x
x = 4,063,952,429.09/91,837.49 - Step 6: Final answer
x = 44,251.56
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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.