Finding the Fourth Proportional to 116,947.95, 175,432.85 and 38,040.99
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Solution
The fourth proportional to 116,947.95, 175,432.85 and 38,040.99 is: 57,065.04
Step by Step Solution
- Step 1: Write the proportion equation
116,947.95 : 175,432.85 = 38,040.99 : x - Step 2: Convert to fraction form
116,947.95/175,432.85 = 38,040.99/x - Step 3: Cross multiply
116,947.95x = 175,432.85 × 38,040.99 - Step 4: Simplify right side
116,947.95x = 6,673,639,292.52 - Step 5: Solve for x
x = 6,673,639,292.52/116,947.95 - Step 6: Final answer
x = 57,065.04
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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.