Finding the Fourth Proportional to 89,689.17, 134,533.61 and 26,510.09
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Solution
The fourth proportional to 89,689.17, 134,533.61 and 26,510.09 is: 39,765.08
Step by Step Solution
- Step 1: Write the proportion equation
89,689.17 : 134,533.61 = 26,510.09 : x - Step 2: Convert to fraction form
89,689.17/134,533.61 = 26,510.09/x - Step 3: Cross multiply
89,689.17x = 134,533.61 × 26,510.09 - Step 4: Simplify right side
89,689.17x = 3,566,497,403.32 - Step 5: Solve for x
x = 3,566,497,403.32/89,689.17 - Step 6: Final answer
x = 39,765.08
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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.