Finding the Fourth Proportional to 83,128.41, 124,710.14 and 26,964.14
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Solution
The fourth proportional to 83,128.41, 124,710.14 and 26,964.14 is: 40,451.89
Step by Step Solution
- Step 1: Write the proportion equation
83,128.41 : 124,710.14 = 26,964.14 : x - Step 2: Convert to fraction form
83,128.41/124,710.14 = 26,964.14/x - Step 3: Cross multiply
83,128.41x = 124,710.14 × 26,964.14 - Step 4: Simplify right side
83,128.41x = 3,362,701,118.24 - Step 5: Solve for x
x = 3,362,701,118.24/83,128.41 - Step 6: Final answer
x = 40,451.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.