Finding the Fourth Proportional to 84,402.76, 116,471.08 and 46,154.70
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Solution
The fourth proportional to 84,402.76, 116,471.08 and 46,154.70 is: 63,690.90
Step by Step Solution
- Step 1: Write the proportion equation
84,402.76 : 116,471.08 = 46,154.70 : x - Step 2: Convert to fraction form
84,402.76/116,471.08 = 46,154.70/x - Step 3: Cross multiply
84,402.76x = 116,471.08 × 46,154.70 - Step 4: Simplify right side
84,402.76x = 5,375,687,756.08 - Step 5: Solve for x
x = 5,375,687,756.08/84,402.76 - Step 6: Final answer
x = 63,690.90
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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.