Finding the Fourth Proportional to 84,700.62, 126,881.51 and 50,947.99
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Solution
The fourth proportional to 84,700.62, 126,881.51 and 50,947.99 is: 76,320.08
Step by Step Solution
- Step 1: Write the proportion equation
84,700.62 : 126,881.51 = 50,947.99 : x - Step 2: Convert to fraction form
84,700.62/126,881.51 = 50,947.99/x - Step 3: Cross multiply
84,700.62x = 126,881.51 × 50,947.99 - Step 4: Simplify right side
84,700.62x = 6,464,357,902.66 - Step 5: Solve for x
x = 6,464,357,902.66/84,700.62 - Step 6: Final answer
x = 76,320.08
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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.