Finding the Fourth Proportional to 87,848.97, 121,231.65 and 47,562.77
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Solution
The fourth proportional to 87,848.97, 121,231.65 and 47,562.77 is: 65,636.65
Step by Step Solution
- Step 1: Write the proportion equation
87,848.97 : 121,231.65 = 47,562.77 : x - Step 2: Convert to fraction form
87,848.97/121,231.65 = 47,562.77/x - Step 3: Cross multiply
87,848.97x = 121,231.65 × 47,562.77 - Step 4: Simplify right side
87,848.97x = 5,766,112,479.51 - Step 5: Solve for x
x = 5,766,112,479.51/87,848.97 - Step 6: Final answer
x = 65,636.65
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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.