Finding the Fourth Proportional to 83,588.13, 125,402.45 and 48,072.18
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Solution
The fourth proportional to 83,588.13, 125,402.45 and 48,072.18 is: 72,119.92
Step by Step Solution
- Step 1: Write the proportion equation
83,588.13 : 125,402.45 = 48,072.18 : x - Step 2: Convert to fraction form
83,588.13/125,402.45 = 48,072.18/x - Step 3: Cross multiply
83,588.13x = 125,402.45 × 48,072.18 - Step 4: Simplify right side
83,588.13x = 6,028,369,148.84 - Step 5: Solve for x
x = 6,028,369,148.84/83,588.13 - Step 6: Final answer
x = 72,119.92
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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.