Finding the Fourth Proportional to 84,725.81, 116,917.74 and 46,484.53
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Solution
The fourth proportional to 84,725.81, 116,917.74 and 46,484.53 is: 64,146.52
Step by Step Solution
- Step 1: Write the proportion equation
84,725.81 : 116,917.74 = 46,484.53 : x - Step 2: Convert to fraction form
84,725.81/116,917.74 = 46,484.53/x - Step 3: Cross multiply
84,725.81x = 116,917.74 × 46,484.53 - Step 4: Simplify right side
84,725.81x = 5,434,865,960.14 - Step 5: Solve for x
x = 5,434,865,960.14/84,725.81 - Step 6: Final answer
x = 64,146.52
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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.