Finding the Fourth Proportional to 93,938.08, 129,634.56 and 51,495.70
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Solution
The fourth proportional to 93,938.08, 129,634.56 and 51,495.70 is: 71,064.07
Step by Step Solution
- Step 1: Write the proportion equation
93,938.08 : 129,634.56 = 51,495.70 : x - Step 2: Convert to fraction form
93,938.08/129,634.56 = 51,495.70/x - Step 3: Cross multiply
93,938.08x = 129,634.56 × 51,495.70 - Step 4: Simplify right side
93,938.08x = 6,675,622,411.39 - Step 5: Solve for x
x = 6,675,622,411.39/93,938.08 - Step 6: Final answer
x = 71,064.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.