Finding the Fourth Proportional to 91,206.34, 125,865.99 and 50,373.21
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Solution
The fourth proportional to 91,206.34, 125,865.99 and 50,373.21 is: 69,515.72
Step by Step Solution
- Step 1: Write the proportion equation
91,206.34 : 125,865.99 = 50,373.21 : x - Step 2: Convert to fraction form
91,206.34/125,865.99 = 50,373.21/x - Step 3: Cross multiply
91,206.34x = 125,865.99 × 50,373.21 - Step 4: Simplify right side
91,206.34x = 6,340,273,946.13 - Step 5: Solve for x
x = 6,340,273,946.13/91,206.34 - Step 6: Final answer
x = 69,515.72
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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.