Finding the Fourth Proportional to 83,594.35, 115,360.19 and 47,785.14
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Solution
The fourth proportional to 83,594.35, 115,360.19 and 47,785.14 is: 65,943.48
Step by Step Solution
- Step 1: Write the proportion equation
83,594.35 : 115,360.19 = 47,785.14 : x - Step 2: Convert to fraction form
83,594.35/115,360.19 = 47,785.14/x - Step 3: Cross multiply
83,594.35x = 115,360.19 × 47,785.14 - Step 4: Simplify right side
83,594.35x = 5,512,502,372.24 - Step 5: Solve for x
x = 5,512,502,372.24/83,594.35 - Step 6: Final answer
x = 65,943.48
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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.