Finding the Fourth Proportional to 76,975.08, 106,285.68 and 59,041.68
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Solution
The fourth proportional to 76,975.08, 106,285.68 and 59,041.68 is: 81,523.59
Step by Step Solution
- Step 1: Write the proportion equation
76,975.08 : 106,285.68 = 59,041.68 : x - Step 2: Convert to fraction form
76,975.08/106,285.68 = 59,041.68/x - Step 3: Cross multiply
76,975.08x = 106,285.68 × 59,041.68 - Step 4: Simplify right side
76,975.08x = 6,275,285,107.14 - Step 5: Solve for x
x = 6,275,285,107.14/76,975.08 - Step 6: Final answer
x = 81,523.59
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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.