Finding the Fourth Proportional to 89,071.63, 133,619.74 and 29,924.21
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Solution
The fourth proportional to 89,071.63, 133,619.74 and 29,924.21 is: 44,890.45
Step by Step Solution
- Step 1: Write the proportion equation
89,071.63 : 133,619.74 = 29,924.21 : x - Step 2: Convert to fraction form
89,071.63/133,619.74 = 29,924.21/x - Step 3: Cross multiply
89,071.63x = 133,619.74 × 29,924.21 - Step 4: Simplify right side
89,071.63x = 3,998,465,419.14 - Step 5: Solve for x
x = 3,998,465,419.14/89,071.63 - Step 6: Final answer
x = 44,890.45
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1.5x scale
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.