Finding the Fourth Proportional to 70,739.08, 106,106.08 and 18,149.08
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Solution
The fourth proportional to 70,739.08, 106,106.08 and 18,149.08 is: 27,222.97
Step by Step Solution
- Step 1: Write the proportion equation
70,739.08 : 106,106.08 = 18,149.08 : x - Step 2: Convert to fraction form
70,739.08/106,106.08 = 18,149.08/x - Step 3: Cross multiply
70,739.08x = 106,106.08 × 18,149.08 - Step 4: Simplify right side
70,739.08x = 1,925,727,734.41 - Step 5: Solve for x
x = 1,925,727,734.41/70,739.08 - Step 6: Final answer
x = 27,222.97
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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.