Finding the Fourth Proportional to 83,410.66, 115,114.98 and 47,606.09
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Solution
The fourth proportional to 83,410.66, 115,114.98 and 47,606.09 is: 65,701.12
Step by Step Solution
- Step 1: Write the proportion equation
83,410.66 : 115,114.98 = 47,606.09 : x - Step 2: Convert to fraction form
83,410.66/115,114.98 = 47,606.09/x - Step 3: Cross multiply
83,410.66x = 115,114.98 × 47,606.09 - Step 4: Simplify right side
83,410.66x = 5,480,174,098.23 - Step 5: Solve for x
x = 5,480,174,098.23/83,410.66 - Step 6: Final answer
x = 65,701.12
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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.