Finding the Fourth Proportional to 88,988.20, 133,454.79 and 25,812.99
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Solution
The fourth proportional to 88,988.20, 133,454.79 and 25,812.99 is: 38,711.51
Step by Step Solution
- Step 1: Write the proportion equation
88,988.20 : 133,454.79 = 25,812.99 : x - Step 2: Convert to fraction form
88,988.20/133,454.79 = 25,812.99/x - Step 3: Cross multiply
88,988.20x = 133,454.79 × 25,812.99 - Step 4: Simplify right side
88,988.20x = 3,444,867,159.72 - Step 5: Solve for x
x = 3,444,867,159.72/88,988.20 - Step 6: Final answer
x = 38,711.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.