Finding the Fourth Proportional to 83,529.24, 115,275.60 and 45,803.49
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Solution
The fourth proportional to 83,529.24, 115,275.60 and 45,803.49 is: 63,211.69
Step by Step Solution
- Step 1: Write the proportion equation
83,529.24 : 115,275.60 = 45,803.49 : x - Step 2: Convert to fraction form
83,529.24/115,275.60 = 45,803.49/x - Step 3: Cross multiply
83,529.24x = 115,275.60 × 45,803.49 - Step 4: Simplify right side
83,529.24x = 5,280,024,791.84 - Step 5: Solve for x
x = 5,280,024,791.84/83,529.24 - Step 6: Final answer
x = 63,211.69
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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.