Finding the Fourth Proportional to 83,368.83, 115,038.17 and 47,556.70
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Solution
The fourth proportional to 83,368.83, 115,038.17 and 47,556.70 is: 65,622.08
Step by Step Solution
- Step 1: Write the proportion equation
83,368.83 : 115,038.17 = 47,556.70 : x - Step 2: Convert to fraction form
83,368.83/115,038.17 = 47,556.70/x - Step 3: Cross multiply
83,368.83x = 115,038.17 × 47,556.70 - Step 4: Simplify right side
83,368.83x = 5,470,835,739.24 - Step 5: Solve for x
x = 5,470,835,739.24/83,368.83 - Step 6: Final answer
x = 65,622.08
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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.