Finding the Fourth Proportional to 88,622.84, 122,230.36 and 56,794.68
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Solution
The fourth proportional to 88,622.84, 122,230.36 and 56,794.68 is: 78,332.34
Step by Step Solution
- Step 1: Write the proportion equation
88,622.84 : 122,230.36 = 56,794.68 : x - Step 2: Convert to fraction form
88,622.84/122,230.36 = 56,794.68/x - Step 3: Cross multiply
88,622.84x = 122,230.36 × 56,794.68 - Step 4: Simplify right side
88,622.84x = 6,942,034,182.48 - Step 5: Solve for x
x = 6,942,034,182.48/88,622.84 - Step 6: Final answer
x = 78,332.34
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Double scale
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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.