Finding the Fourth Proportional to 87,848.66, 121,229.70 and 47,562.06
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Solution
The fourth proportional to 87,848.66, 121,229.70 and 47,562.06 is: 65,634.86
Step by Step Solution
- Step 1: Write the proportion equation
87,848.66 : 121,229.70 = 47,562.06 : x - Step 2: Convert to fraction form
87,848.66/121,229.70 = 47,562.06/x - Step 3: Cross multiply
87,848.66x = 121,229.70 × 47,562.06 - Step 4: Simplify right side
87,848.66x = 5,765,934,265.18 - Step 5: Solve for x
x = 5,765,934,265.18/87,848.66 - Step 6: Final answer
x = 65,634.86
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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.