Finding the Fourth Proportional to 83,768.58, 125,351.85 and 61,526.79
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Solution
The fourth proportional to 83,768.58, 125,351.85 and 61,526.79 is: 92,069.09
Step by Step Solution
- Step 1: Write the proportion equation
83,768.58 : 125,351.85 = 61,526.79 : x - Step 2: Convert to fraction form
83,768.58/125,351.85 = 61,526.79/x - Step 3: Cross multiply
83,768.58x = 125,351.85 × 61,526.79 - Step 4: Simplify right side
83,768.58x = 7,712,497,181.79 - Step 5: Solve for x
x = 7,712,497,181.79/83,768.58 - Step 6: Final answer
x = 92,069.09
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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.