Finding the Fourth Proportional to 82,751.16, 124,029.54 and 38,283.99
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Solution
The fourth proportional to 82,751.16, 124,029.54 and 38,283.99 is: 57,381.02
Step by Step Solution
- Step 1: Write the proportion equation
82,751.16 : 124,029.54 = 38,283.99 : x - Step 2: Convert to fraction form
82,751.16/124,029.54 = 38,283.99/x - Step 3: Cross multiply
82,751.16x = 124,029.54 × 38,283.99 - Step 4: Simplify right side
82,751.16x = 4,748,345,669.06 - Step 5: Solve for x
x = 4,748,345,669.06/82,751.16 - Step 6: Final answer
x = 57,381.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.