Finding the Fourth Proportional to 93,677.92, 129,272.79 and 51,235.54
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Solution
The fourth proportional to 93,677.92, 129,272.79 and 51,235.54 is: 70,703.55
Step by Step Solution
- Step 1: Write the proportion equation
93,677.92 : 129,272.79 = 51,235.54 : x - Step 2: Convert to fraction form
93,677.92/129,272.79 = 51,235.54/x - Step 3: Cross multiply
93,677.92x = 129,272.79 × 51,235.54 - Step 4: Simplify right side
93,677.92x = 6,623,361,202.96 - Step 5: Solve for x
x = 6,623,361,202.96/93,677.92 - Step 6: Final answer
x = 70,703.55
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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.