Finding the Fourth Proportional to 81,349.16, 121,995.13 and 24,406.08
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Solution
The fourth proportional to 81,349.16, 121,995.13 and 24,406.08 is: 36,600.54
Step by Step Solution
- Step 1: Write the proportion equation
81,349.16 : 121,995.13 = 24,406.08 : x - Step 2: Convert to fraction form
81,349.16/121,995.13 = 24,406.08/x - Step 3: Cross multiply
81,349.16x = 121,995.13 × 24,406.08 - Step 4: Simplify right side
81,349.16x = 2,977,422,902.39 - Step 5: Solve for x
x = 2,977,422,902.39/81,349.16 - Step 6: Final answer
x = 36,600.54
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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.