Finding the Fourth Proportional to 89,947.17, 124,126.29 and 49,660.07
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Solution
The fourth proportional to 89,947.17, 124,126.29 and 49,660.07 is: 68,530.45
Step by Step Solution
- Step 1: Write the proportion equation
89,947.17 : 124,126.29 = 49,660.07 : x - Step 2: Convert to fraction form
89,947.17/124,126.29 = 49,660.07/x - Step 3: Cross multiply
89,947.17x = 124,126.29 × 49,660.07 - Step 4: Simplify right side
89,947.17x = 6,164,119,629.61 - Step 5: Solve for x
x = 6,164,119,629.61/89,947.17 - Step 6: Final answer
x = 68,530.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.