Finding the Fourth Proportional to 90,026.01, 135,027.83 and 56,294.99
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Solution
The fourth proportional to 90,026.01, 135,027.83 and 56,294.99 is: 84,435.48
Step by Step Solution
- Step 1: Write the proportion equation
90,026.01 : 135,027.83 = 56,294.99 : x - Step 2: Convert to fraction form
90,026.01/135,027.83 = 56,294.99/x - Step 3: Cross multiply
90,026.01x = 135,027.83 × 56,294.99 - Step 4: Simplify right side
90,026.01x = 7,601,389,382.96 - Step 5: Solve for x
x = 7,601,389,382.96/90,026.01 - Step 6: Final answer
x = 84,435.48
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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.