Finding the Fourth Proportional to 76,533.80, 114,800.70 and 53,205.80
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Solution
The fourth proportional to 76,533.80, 114,800.70 and 53,205.80 is: 79,808.70
Step by Step Solution
- Step 1: Write the proportion equation
76,533.80 : 114,800.70 = 53,205.80 : x - Step 2: Convert to fraction form
76,533.80/114,800.70 = 53,205.80/x - Step 3: Cross multiply
76,533.80x = 114,800.70 × 53,205.80 - Step 4: Simplify right side
76,533.80x = 6,108,063,084.06 - Step 5: Solve for x
x = 6,108,063,084.06/76,533.80 - Step 6: Final answer
x = 79,808.70
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1.5x scale
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.