Finding the Fourth Proportional to 69,195.68, 103,918.80 and 63,639.08
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Solution
The fourth proportional to 69,195.68, 103,918.80 and 63,639.08 is: 95,573.84
Step by Step Solution
- Step 1: Write the proportion equation
69,195.68 : 103,918.80 = 63,639.08 : x - Step 2: Convert to fraction form
69,195.68/103,918.80 = 63,639.08/x - Step 3: Cross multiply
69,195.68x = 103,918.80 × 63,639.08 - Step 4: Simplify right side
69,195.68x = 6,613,296,826.70 - Step 5: Solve for x
x = 6,613,296,826.70/69,195.68 - Step 6: Final answer
x = 95,573.84
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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.