Finding the Fourth Proportional to 94,693.41, 142,035.21 and 28,134.09
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Solution
The fourth proportional to 94,693.41, 142,035.21 and 28,134.09 is: 42,199.68
Step by Step Solution
- Step 1: Write the proportion equation
94,693.41 : 142,035.21 = 28,134.09 : x - Step 2: Convert to fraction form
94,693.41/142,035.21 = 28,134.09/x - Step 3: Cross multiply
94,693.41x = 142,035.21 × 28,134.09 - Step 4: Simplify right side
94,693.41x = 3,996,031,381.31 - Step 5: Solve for x
x = 3,996,031,381.31/94,693.41 - Step 6: Final answer
x = 42,199.68
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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.