Finding the Fourth Proportional to 83,938.05, 125,908.16 and 24,774.57
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Solution
The fourth proportional to 83,938.05, 125,908.16 and 24,774.57 is: 37,162.17
Step by Step Solution
- Step 1: Write the proportion equation
83,938.05 : 125,908.16 = 24,774.57 : x - Step 2: Convert to fraction form
83,938.05/125,908.16 = 24,774.57/x - Step 3: Cross multiply
83,938.05x = 125,908.16 × 24,774.57 - Step 4: Simplify right side
83,938.05x = 3,119,320,399.62 - Step 5: Solve for x
x = 3,119,320,399.62/83,938.05 - Step 6: Final answer
x = 37,162.17
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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.