Finding the Fourth Proportional to 93,688.62, 129,288.33 and 51,245.70
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Solution
The fourth proportional to 93,688.62, 129,288.33 and 51,245.70 is: 70,717.99
Step by Step Solution
- Step 1: Write the proportion equation
93,688.62 : 129,288.33 = 51,245.70 : x - Step 2: Convert to fraction form
93,688.62/129,288.33 = 51,245.70/x - Step 3: Cross multiply
93,688.62x = 129,288.33 × 51,245.70 - Step 4: Simplify right side
93,688.62x = 6,625,470,972.68 - Step 5: Solve for x
x = 6,625,470,972.68/93,688.62 - Step 6: Final answer
x = 70,717.99
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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.