Finding the Fourth Proportional to 93,560.19, 129,113.49 and 51,119.70
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Solution
The fourth proportional to 93,560.19, 129,113.49 and 51,119.70 is: 70,545.42
Step by Step Solution
- Step 1: Write the proportion equation
93,560.19 : 129,113.49 = 51,119.70 : x - Step 2: Convert to fraction form
93,560.19/129,113.49 = 51,119.70/x - Step 3: Cross multiply
93,560.19x = 129,113.49 × 51,119.70 - Step 4: Simplify right side
93,560.19x = 6,600,242,874.75 - Step 5: Solve for x
x = 6,600,242,874.75/93,560.19 - Step 6: Final answer
x = 70,545.42
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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.