Finding the Fourth Proportional to 77,140.71, 115,724.03 and 24,566.31
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Solution
The fourth proportional to 77,140.71, 115,724.03 and 24,566.31 is: 36,853.59
Step by Step Solution
- Step 1: Write the proportion equation
77,140.71 : 115,724.03 = 24,566.31 : x - Step 2: Convert to fraction form
77,140.71/115,724.03 = 24,566.31/x - Step 3: Cross multiply
77,140.71x = 115,724.03 × 24,566.31 - Step 4: Simplify right side
77,140.71x = 2,842,912,272.60 - Step 5: Solve for x
x = 2,842,912,272.60/77,140.71 - Step 6: Final answer
x = 36,853.59
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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.