Finding the Fourth Proportional to 75,769.92, 104,611.26 and 67,798.32
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Solution
The fourth proportional to 75,769.92, 104,611.26 and 67,798.32 is: 93,605.32
Step by Step Solution
- Step 1: Write the proportion equation
75,769.92 : 104,611.26 = 67,798.32 : x - Step 2: Convert to fraction form
75,769.92/104,611.26 = 67,798.32/x - Step 3: Cross multiply
75,769.92x = 104,611.26 × 67,798.32 - Step 4: Simplify right side
75,769.92x = 7,092,467,681.08 - Step 5: Solve for x
x = 7,092,467,681.08/75,769.92 - Step 6: Final answer
x = 93,605.32
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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.