Finding the Fourth Proportional to 76,983.54, 106,214.08 and 44,711.94
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Solution
The fourth proportional to 76,983.54, 106,214.08 and 44,711.94 is: 61,689.00
Step by Step Solution
- Step 1: Write the proportion equation
76,983.54 : 106,214.08 = 44,711.94 : x - Step 2: Convert to fraction form
76,983.54/106,214.08 = 44,711.94/x - Step 3: Cross multiply
76,983.54x = 106,214.08 × 44,711.94 - Step 4: Simplify right side
76,983.54x = 4,749,037,572.12 - Step 5: Solve for x
x = 4,749,037,572.12/76,983.54 - Step 6: Final answer
x = 61,689.00
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1.5x scale
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.