Finding the Fourth Proportional to 88,739.36, 133,134.32 and 29,613.76
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Solution
The fourth proportional to 88,739.36, 133,134.32 and 29,613.76 is: 44,429.08
Step by Step Solution
- Step 1: Write the proportion equation
88,739.36 : 133,134.32 = 29,613.76 : x - Step 2: Convert to fraction form
88,739.36/133,134.32 = 29,613.76/x - Step 3: Cross multiply
88,739.36x = 133,134.32 × 29,613.76 - Step 4: Simplify right side
88,739.36x = 3,942,607,800.24 - Step 5: Solve for x
x = 3,942,607,800.24/88,739.36 - Step 6: Final answer
x = 44,429.08
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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.