Finding the Fourth Proportional to 92,882.88, 128,217.62 and 62,709.08
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Solution
The fourth proportional to 92,882.88, 128,217.62 and 62,709.08 is: 86,565.02
Step by Step Solution
- Step 1: Write the proportion equation
92,882.88 : 128,217.62 = 62,709.08 : x - Step 2: Convert to fraction form
92,882.88/128,217.62 = 62,709.08/x - Step 3: Cross multiply
92,882.88x = 128,217.62 × 62,709.08 - Step 4: Simplify right side
92,882.88x = 8,040,408,035.36 - Step 5: Solve for x
x = 8,040,408,035.36/92,882.88 - Step 6: Final answer
x = 86,565.02
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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.