Finding the Fourth Proportional to 95,897.60, 132,339.38 and 52,878.70
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Solution
The fourth proportional to 95,897.60, 132,339.38 and 52,878.70 is: 72,972.99
Step by Step Solution
- Step 1: Write the proportion equation
95,897.60 : 132,339.38 = 52,878.70 : x - Step 2: Convert to fraction form
95,897.60/132,339.38 = 52,878.70/x - Step 3: Cross multiply
95,897.60x = 132,339.38 × 52,878.70 - Step 4: Simplify right side
95,897.60x = 6,997,934,373.21 - Step 5: Solve for x
x = 6,997,934,373.21/95,897.60 - Step 6: Final answer
x = 72,972.99
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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.