Finding the Fourth Proportional to 110,734.56, 152,808.87 and 62,987.49
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Solution
The fourth proportional to 110,734.56, 152,808.87 and 62,987.49 is: 86,919.99
Step by Step Solution
- Step 1: Write the proportion equation
110,734.56 : 152,808.87 = 62,987.49 : x - Step 2: Convert to fraction form
110,734.56/152,808.87 = 62,987.49/x - Step 3: Cross multiply
110,734.56x = 152,808.87 × 62,987.49 - Step 4: Simplify right side
110,734.56x = 9,625,047,171.04 - Step 5: Solve for x
x = 9,625,047,171.04/110,734.56 - Step 6: Final answer
x = 86,919.99
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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.