Finding the Fourth Proportional to 92,499.91, 138,764.34 and 39,191.99
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Solution
The fourth proportional to 92,499.91, 138,764.34 and 39,191.99 is: 58,794.11
Step by Step Solution
- Step 1: Write the proportion equation
92,499.91 : 138,764.34 = 39,191.99 : x - Step 2: Convert to fraction form
92,499.91/138,764.34 = 39,191.99/x - Step 3: Cross multiply
92,499.91x = 138,764.34 × 39,191.99 - Step 4: Simplify right side
92,499.91x = 5,438,449,931.81 - Step 5: Solve for x
x = 5,438,449,931.81/92,499.91 - Step 6: Final answer
x = 58,794.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.