Finding the Fourth Proportional to 88,375.99, 121,958.81 and 48,089.70
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Solution
The fourth proportional to 88,375.99, 121,958.81 and 48,089.70 is: 66,363.76
Step by Step Solution
- Step 1: Write the proportion equation
88,375.99 : 121,958.81 = 48,089.70 : x - Step 2: Convert to fraction form
88,375.99/121,958.81 = 48,089.70/x - Step 3: Cross multiply
88,375.99x = 121,958.81 × 48,089.70 - Step 4: Simplify right side
88,375.99x = 5,864,962,795.65 - Step 5: Solve for x
x = 5,864,962,795.65/88,375.99 - Step 6: Final answer
x = 66,363.76
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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.