Finding the Fourth Proportional to 83,842.84, 115,710.78 and 48,044.44
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Solution
The fourth proportional to 83,842.84, 115,710.78 and 48,044.44 is: 66,305.72
Step by Step Solution
- Step 1: Write the proportion equation
83,842.84 : 115,710.78 = 48,044.44 : x - Step 2: Convert to fraction form
83,842.84/115,710.78 = 48,044.44/x - Step 3: Cross multiply
83,842.84x = 115,710.78 × 48,044.44 - Step 4: Simplify right side
83,842.84x = 5,559,259,627.06 - Step 5: Solve for x
x = 5,559,259,627.06/83,842.84 - Step 6: Final answer
x = 66,305.72
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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.