Finding the Fourth Proportional to 88,132.88, 121,624.84 and 47,846.65
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Solution
The fourth proportional to 88,132.88, 121,624.84 and 47,846.65 is: 66,029.17
Step by Step Solution
- Step 1: Write the proportion equation
88,132.88 : 121,624.84 = 47,846.65 : x - Step 2: Convert to fraction form
88,132.88/121,624.84 = 47,846.65/x - Step 3: Cross multiply
88,132.88x = 121,624.84 × 47,846.65 - Step 4: Simplify right side
88,132.88x = 5,819,340,303.43 - Step 5: Solve for x
x = 5,819,340,303.43/88,132.88 - Step 6: Final answer
x = 66,029.17
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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.