Finding the Fourth Proportional to 84,850.73, 127,303.74 and 40,471.71
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Solution
The fourth proportional to 84,850.73, 127,303.74 and 40,471.71 is: 60,720.75
Step by Step Solution
- Step 1: Write the proportion equation
84,850.73 : 127,303.74 = 40,471.71 : x - Step 2: Convert to fraction form
84,850.73/127,303.74 = 40,471.71/x - Step 3: Cross multiply
84,850.73x = 127,303.74 × 40,471.71 - Step 4: Simplify right side
84,850.73x = 5,152,199,569.81 - Step 5: Solve for x
x = 5,152,199,569.81/84,850.73 - Step 6: Final answer
x = 60,720.75
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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.