Finding the Fourth Proportional to 77,697.21, 116,542.38 and 24,387.93
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Solution
The fourth proportional to 77,697.21, 116,542.38 and 24,387.93 is: 36,580.82
Step by Step Solution
- Step 1: Write the proportion equation
77,697.21 : 116,542.38 = 24,387.93 : x - Step 2: Convert to fraction form
77,697.21/116,542.38 = 24,387.93/x - Step 3: Cross multiply
77,697.21x = 116,542.38 × 24,387.93 - Step 4: Simplify right side
77,697.21x = 2,842,227,405.47 - Step 5: Solve for x
x = 2,842,227,405.47/77,697.21 - Step 6: Final answer
x = 36,580.82
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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.