Finding the Fourth Proportional to 96,847.36, 145,076.64 and 70,607.68
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Solution
The fourth proportional to 96,847.36, 145,076.64 and 70,607.68 is: 105,769.79
Step by Step Solution
- Step 1: Write the proportion equation
96,847.36 : 145,076.64 = 70,607.68 : x - Step 2: Convert to fraction form
96,847.36/145,076.64 = 70,607.68/x - Step 3: Cross multiply
96,847.36x = 145,076.64 × 70,607.68 - Step 4: Simplify right side
96,847.36x = 10,243,524,972.60 - Step 5: Solve for x
x = 10,243,524,972.60/96,847.36 - Step 6: Final answer
x = 105,769.79
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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.