Finding the Fourth Proportional to 88,820.79, 133,141.35 and 38,252.79
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Solution
The fourth proportional to 88,820.79, 133,141.35 and 38,252.79 is: 57,340.50
Step by Step Solution
- Step 1: Write the proportion equation
88,820.79 : 133,141.35 = 38,252.79 : x - Step 2: Convert to fraction form
88,820.79/133,141.35 = 38,252.79/x - Step 3: Cross multiply
88,820.79x = 133,141.35 × 38,252.79 - Step 4: Simplify right side
88,820.79x = 5,093,028,101.87 - Step 5: Solve for x
x = 5,093,028,101.87/88,820.79 - Step 6: Final answer
x = 57,340.50
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1.5x scale
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.