Finding the Fourth Proportional to 75,907.36, 114,110.14 and 70,426.92
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Solution
The fourth proportional to 75,907.36, 114,110.14 and 70,426.92 is: 105,871.50
Step by Step Solution
- Step 1: Write the proportion equation
75,907.36 : 114,110.14 = 70,426.92 : x - Step 2: Convert to fraction form
75,907.36/114,110.14 = 70,426.92/x - Step 3: Cross multiply
75,907.36x = 114,110.14 × 70,426.92 - Step 4: Simplify right side
75,907.36x = 8,036,425,700.97 - Step 5: Solve for x
x = 8,036,425,700.97/75,907.36 - Step 6: Final answer
x = 105,871.50
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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.