Finding the Fourth Proportional to 88,873.49, 122,572.34 and 63,371.70
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Solution
The fourth proportional to 88,873.49, 122,572.34 and 63,371.70 is: 87,400.84
Step by Step Solution
- Step 1: Write the proportion equation
88,873.49 : 122,572.34 = 63,371.70 : x - Step 2: Convert to fraction form
88,873.49/122,572.34 = 63,371.70/x - Step 3: Cross multiply
88,873.49x = 122,572.34 × 63,371.70 - Step 4: Simplify right side
88,873.49x = 7,767,617,479.56 - Step 5: Solve for x
x = 7,767,617,479.56/88,873.49 - Step 6: Final answer
x = 87,400.84
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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.