Finding the Fourth Proportional to 125,023.02, 172,528.56 and 68,430.75
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Solution
The fourth proportional to 125,023.02, 172,528.56 and 68,430.75 is: 94,432.68
Step by Step Solution
- Step 1: Write the proportion equation
125,023.02 : 172,528.56 = 68,430.75 : x - Step 2: Convert to fraction form
125,023.02/172,528.56 = 68,430.75/x - Step 3: Cross multiply
125,023.02x = 172,528.56 × 68,430.75 - Step 4: Simplify right side
125,023.02x = 11,806,258,757.22 - Step 5: Solve for x
x = 11,806,258,757.22/125,023.02 - Step 6: Final answer
x = 94,432.68
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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.