Finding the Fourth Proportional to 101,682.29, 140,289.45 and 58,655.99
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Solution
The fourth proportional to 101,682.29, 140,289.45 and 58,655.99 is: 80,926.74
Step by Step Solution
- Step 1: Write the proportion equation
101,682.29 : 140,289.45 = 58,655.99 : x - Step 2: Convert to fraction form
101,682.29/140,289.45 = 58,655.99/x - Step 3: Cross multiply
101,682.29x = 140,289.45 × 58,655.99 - Step 4: Simplify right side
101,682.29x = 8,228,815,874.86 - Step 5: Solve for x
x = 8,228,815,874.86/101,682.29 - Step 6: Final answer
x = 80,926.74
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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.