Finding the Fourth Proportional to 94,154.87, 129,933.27 and 51,134.06
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Solution
The fourth proportional to 94,154.87, 129,933.27 and 51,134.06 is: 70,564.75
Step by Step Solution
- Step 1: Write the proportion equation
94,154.87 : 129,933.27 = 51,134.06 : x - Step 2: Convert to fraction form
94,154.87/129,933.27 = 51,134.06/x - Step 3: Cross multiply
94,154.87x = 129,933.27 × 51,134.06 - Step 4: Simplify right side
94,154.87x = 6,644,014,974.51 - Step 5: Solve for x
x = 6,644,014,974.51/94,154.87 - Step 6: Final answer
x = 70,564.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.