Finding the Fourth Proportional to 104,652.99, 144,420.36 and 56,906.33
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Solution
The fourth proportional to 104,652.99, 144,420.36 and 56,906.33 is: 78,530.32
Step by Step Solution
- Step 1: Write the proportion equation
104,652.99 : 144,420.36 = 56,906.33 : x - Step 2: Convert to fraction form
104,652.99/144,420.36 = 56,906.33/x - Step 3: Cross multiply
104,652.99x = 144,420.36 × 56,906.33 - Step 4: Simplify right side
104,652.99x = 8,218,432,664.88 - Step 5: Solve for x
x = 8,218,432,664.88/104,652.99 - Step 6: Final answer
x = 78,530.32
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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.