Finding the Fourth Proportional to 83,421.02, 115,121.36 and 45,181.02
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Solution
The fourth proportional to 83,421.02, 115,121.36 and 45,181.02 is: 62,350.00
Step by Step Solution
- Step 1: Write the proportion equation
83,421.02 : 115,121.36 = 45,181.02 : x - Step 2: Convert to fraction form
83,421.02/115,121.36 = 45,181.02/x - Step 3: Cross multiply
83,421.02x = 115,121.36 × 45,181.02 - Step 4: Simplify right side
83,421.02x = 5,201,301,013.24 - Step 5: Solve for x
x = 5,201,301,013.24/83,421.02 - Step 6: Final answer
x = 62,350.00
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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.