Finding the Fourth Proportional to 83,497.86, 115,226.37 and 45,772.02
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Solution
The fourth proportional to 83,497.86, 115,226.37 and 45,772.02 is: 63,165.02
Step by Step Solution
- Step 1: Write the proportion equation
83,497.86 : 115,226.37 = 45,772.02 : x - Step 2: Convert to fraction form
83,497.86/115,226.37 = 45,772.02/x - Step 3: Cross multiply
83,497.86x = 115,226.37 × 45,772.02 - Step 4: Simplify right side
83,497.86x = 5,274,143,712.17 - Step 5: Solve for x
x = 5,274,143,712.17/83,497.86 - Step 6: Final answer
x = 63,165.02
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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.