Finding the Fourth Proportional to 70,905.36, 106,358.04 and 48,651.26
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Solution
The fourth proportional to 70,905.36, 106,358.04 and 48,651.26 is: 72,976.89
Step by Step Solution
- Step 1: Write the proportion equation
70,905.36 : 106,358.04 = 48,651.26 : x - Step 2: Convert to fraction form
70,905.36/106,358.04 = 48,651.26/x - Step 3: Cross multiply
70,905.36x = 106,358.04 × 48,651.26 - Step 4: Simplify right side
70,905.36x = 5,174,452,657.13 - Step 5: Solve for x
x = 5,174,452,657.13/70,905.36 - Step 6: Final answer
x = 72,976.89
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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.