Finding the Fourth Proportional to 93,916.11, 129,603.49 and 51,474.54
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Solution
The fourth proportional to 93,916.11, 129,603.49 and 51,474.54 is: 71,034.46
Step by Step Solution
- Step 1: Write the proportion equation
93,916.11 : 129,603.49 = 51,474.54 : x - Step 2: Convert to fraction form
93,916.11/129,603.49 = 51,474.54/x - Step 3: Cross multiply
93,916.11x = 129,603.49 × 51,474.54 - Step 4: Simplify right side
93,916.11x = 6,671,280,030.14 - Step 5: Solve for x
x = 6,671,280,030.14/93,916.11 - Step 6: Final answer
x = 71,034.46
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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.