Finding the Fourth Proportional to 83,769.52, 115,602.58 and 45,529.08
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Solution
The fourth proportional to 83,769.52, 115,602.58 and 45,529.08 is: 62,830.48
Step by Step Solution
- Step 1: Write the proportion equation
83,769.52 : 115,602.58 = 45,529.08 : x - Step 2: Convert to fraction form
83,769.52/115,602.58 = 45,529.08/x - Step 3: Cross multiply
83,769.52x = 115,602.58 × 45,529.08 - Step 4: Simplify right side
83,769.52x = 5,263,278,885.38 - Step 5: Solve for x
x = 5,263,278,885.38/83,769.52 - Step 6: Final answer
x = 62,830.48
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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.