Finding the Fourth Proportional to 92,439.74, 138,645.70 and 29,251.65
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Solution
The fourth proportional to 92,439.74, 138,645.70 and 29,251.65 is: 43,873.07
Step by Step Solution
- Step 1: Write the proportion equation
92,439.74 : 138,645.70 = 29,251.65 : x - Step 2: Convert to fraction form
92,439.74/138,645.70 = 29,251.65/x - Step 3: Cross multiply
92,439.74x = 138,645.70 × 29,251.65 - Step 4: Simplify right side
92,439.74x = 4,055,614,797.18 - Step 5: Solve for x
x = 4,055,614,797.18/92,439.74 - Step 6: Final answer
x = 43,873.07
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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.