Finding the Fourth Proportional to 125,700.52, 173,417.40 and 71,956.68
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Solution
The fourth proportional to 125,700.52, 173,417.40 and 71,956.68 is: 99,271.99
Step by Step Solution
- Step 1: Write the proportion equation
125,700.52 : 173,417.40 = 71,956.68 : x - Step 2: Convert to fraction form
125,700.52/173,417.40 = 71,956.68/x - Step 3: Cross multiply
125,700.52x = 173,417.40 × 71,956.68 - Step 4: Simplify right side
125,700.52x = 12,478,540,358.23 - Step 5: Solve for x
x = 12,478,540,358.23/125,700.52 - Step 6: Final answer
x = 99,271.99
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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.