Finding the Fourth Proportional to 88,621.84, 122,228.98 and 56,793.68
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Solution
The fourth proportional to 88,621.84, 122,228.98 and 56,793.68 is: 78,330.96
Step by Step Solution
- Step 1: Write the proportion equation
88,621.84 : 122,228.98 = 56,793.68 : x - Step 2: Convert to fraction form
88,621.84/122,228.98 = 56,793.68/x - Step 3: Cross multiply
88,621.84x = 122,228.98 × 56,793.68 - Step 4: Simplify right side
88,621.84x = 6,941,833,576.85 - Step 5: Solve for x
x = 6,941,833,576.85/88,621.84 - Step 6: Final answer
x = 78,330.96
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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.