Finding the Fourth Proportional to 83,860.56, 125,489.34 and 61,618.68
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Solution
The fourth proportional to 83,860.56, 125,489.34 and 61,618.68 is: 92,206.49
Step by Step Solution
- Step 1: Write the proportion equation
83,860.56 : 125,489.34 = 61,618.68 : x - Step 2: Convert to fraction form
83,860.56/125,489.34 = 61,618.68/x - Step 3: Cross multiply
83,860.56x = 125,489.34 × 61,618.68 - Step 4: Simplify right side
83,860.56x = 7,732,487,484.87 - Step 5: Solve for x
x = 7,732,487,484.87/83,860.56 - Step 6: Final answer
x = 92,206.49
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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.