Finding the Fourth Proportional to 71,365.80, 107,048.70 and 36,373.80
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Solution
The fourth proportional to 71,365.80, 107,048.70 and 36,373.80 is: 54,560.70
Step by Step Solution
- Step 1: Write the proportion equation
71,365.80 : 107,048.70 = 36,373.80 : x - Step 2: Convert to fraction form
71,365.80/107,048.70 = 36,373.80/x - Step 3: Cross multiply
71,365.80x = 107,048.70 × 36,373.80 - Step 4: Simplify right side
71,365.80x = 3,893,768,004.06 - Step 5: Solve for x
x = 3,893,768,004.06/71,365.80 - Step 6: Final answer
x = 54,560.70
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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.