Finding the Fourth Proportional to 82,801.80, 124,202.70 and 59,473.80
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Solution
The fourth proportional to 82,801.80, 124,202.70 and 59,473.80 is: 89,210.70
Step by Step Solution
- Step 1: Write the proportion equation
82,801.80 : 124,202.70 = 59,473.80 : x - Step 2: Convert to fraction form
82,801.80/124,202.70 = 59,473.80/x - Step 3: Cross multiply
82,801.80x = 124,202.70 × 59,473.80 - Step 4: Simplify right side
82,801.80x = 7,386,806,539.26 - Step 5: Solve for x
x = 7,386,806,539.26/82,801.80 - Step 6: Final answer
x = 89,210.70
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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.