Finding the Fourth Proportional to 87,922.96, 121,327.94 and 56,088.44
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Solution
The fourth proportional to 87,922.96, 121,327.94 and 56,088.44 is: 77,398.38
Step by Step Solution
- Step 1: Write the proportion equation
87,922.96 : 121,327.94 = 56,088.44 : x - Step 2: Convert to fraction form
87,922.96/121,327.94 = 56,088.44/x - Step 3: Cross multiply
87,922.96x = 121,327.94 × 56,088.44 - Step 4: Simplify right side
87,922.96x = 6,805,094,883.01 - Step 5: Solve for x
x = 6,805,094,883.01/87,922.96 - Step 6: Final answer
x = 77,398.38
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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.