Finding the Fourth Proportional to 70,756.62, 106,073.01 and 28,610.70
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Solution
The fourth proportional to 70,756.62, 106,073.01 and 28,610.70 is: 42,891.01
Step by Step Solution
- Step 1: Write the proportion equation
70,756.62 : 106,073.01 = 28,610.70 : x - Step 2: Convert to fraction form
70,756.62/106,073.01 = 28,610.70/x - Step 3: Cross multiply
70,756.62x = 106,073.01 × 28,610.70 - Step 4: Simplify right side
70,756.62x = 3,034,823,067.21 - Step 5: Solve for x
x = 3,034,823,067.21/70,756.62 - Step 6: Final answer
x = 42,891.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.