Finding the Fourth Proportional to 93,633.12, 129,214.08 and 51,191.68
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Solution
The fourth proportional to 93,633.12, 129,214.08 and 51,191.68 is: 70,644.72
Step by Step Solution
- Step 1: Write the proportion equation
93,633.12 : 129,214.08 = 51,191.68 : x - Step 2: Convert to fraction form
93,633.12/129,214.08 = 51,191.68/x - Step 3: Cross multiply
93,633.12x = 129,214.08 × 51,191.68 - Step 4: Simplify right side
93,633.12x = 6,614,685,834.85 - Step 5: Solve for x
x = 6,614,685,834.85/93,633.12 - Step 6: Final answer
x = 70,644.72
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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.