Finding the Fourth Proportional to 75,805.92, 104,555.76 and 55,656.48
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Solution
The fourth proportional to 75,805.92, 104,555.76 and 55,656.48 is: 76,764.53
Step by Step Solution
- Step 1: Write the proportion equation
75,805.92 : 104,555.76 = 55,656.48 : x - Step 2: Convert to fraction form
75,805.92/104,555.76 = 55,656.48/x - Step 3: Cross multiply
75,805.92x = 104,555.76 × 55,656.48 - Step 4: Simplify right side
75,805.92x = 5,819,205,565.32 - Step 5: Solve for x
x = 5,819,205,565.32/75,805.92 - Step 6: Final answer
x = 76,764.53
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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.