Finding the Fourth Proportional to 87,119.08, 120,180.02 and 56,922.08
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Solution
The fourth proportional to 87,119.08, 120,180.02 and 56,922.08 is: 78,523.52
Step by Step Solution
- Step 1: Write the proportion equation
87,119.08 : 120,180.02 = 56,922.08 : x - Step 2: Convert to fraction form
87,119.08/120,180.02 = 56,922.08/x - Step 3: Cross multiply
87,119.08x = 120,180.02 × 56,922.08 - Step 4: Simplify right side
87,119.08x = 6,840,896,712.84 - Step 5: Solve for x
x = 6,840,896,712.84/87,119.08 - Step 6: Final answer
x = 78,523.52
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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.