Finding the Fourth Proportional to 124,421.84, 171,700.68 and 67,833.68
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Solution
The fourth proportional to 124,421.84, 171,700.68 and 67,833.68 is: 93,609.68
Step by Step Solution
- Step 1: Write the proportion equation
124,421.84 : 171,700.68 = 67,833.68 : x - Step 2: Convert to fraction form
124,421.84/171,700.68 = 67,833.68/x - Step 3: Cross multiply
124,421.84x = 171,700.68 × 67,833.68 - Step 4: Simplify right side
124,421.84x = 11,647,088,982.90 - Step 5: Solve for x
x = 11,647,088,982.90/124,421.84 - Step 6: Final answer
x = 93,609.68
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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.