Finding the Fourth Proportional to 89,631.29, 134,415.58 and 26,434.63
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Solution
The fourth proportional to 89,631.29, 134,415.58 and 26,434.63 is: 39,642.70
Step by Step Solution
- Step 1: Write the proportion equation
89,631.29 : 134,415.58 = 26,434.63 : x - Step 2: Convert to fraction form
89,631.29/134,415.58 = 26,434.63/x - Step 3: Cross multiply
89,631.29x = 134,415.58 × 26,434.63 - Step 4: Simplify right side
89,631.29x = 3,553,225,721.41 - Step 5: Solve for x
x = 3,553,225,721.41/89,631.29 - Step 6: Final answer
x = 39,642.70
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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.