Finding the Fourth Proportional to 83,284.79, 114,935.99 and 47,469.02
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Solution
The fourth proportional to 83,284.79, 114,935.99 and 47,469.02 is: 65,508.95
Step by Step Solution
- Step 1: Write the proportion equation
83,284.79 : 114,935.99 = 47,469.02 : x - Step 2: Convert to fraction form
83,284.79/114,935.99 = 47,469.02/x - Step 3: Cross multiply
83,284.79x = 114,935.99 × 47,469.02 - Step 4: Simplify right side
83,284.79x = 5,455,898,808.03 - Step 5: Solve for x
x = 5,455,898,808.03/83,284.79 - Step 6: Final answer
x = 65,508.95
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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.