Finding the Fourth Proportional to 76,898.24, 106,101.46 and 46,682.80
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Solution
The fourth proportional to 76,898.24, 106,101.46 and 46,682.80 is: 64,411.27
Step by Step Solution
- Step 1: Write the proportion equation
76,898.24 : 106,101.46 = 46,682.80 : x - Step 2: Convert to fraction form
76,898.24/106,101.46 = 46,682.80/x - Step 3: Cross multiply
76,898.24x = 106,101.46 × 46,682.80 - Step 4: Simplify right side
76,898.24x = 4,953,113,236.89 - Step 5: Solve for x
x = 4,953,113,236.89/76,898.24 - Step 6: Final answer
x = 64,411.27
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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.