Finding the Fourth Proportional to 86,873.23, 130,226.62 and 27,670.53
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Solution
The fourth proportional to 86,873.23, 130,226.62 and 27,670.53 is: 41,479.29
Step by Step Solution
- Step 1: Write the proportion equation
86,873.23 : 130,226.62 = 27,670.53 : x - Step 2: Convert to fraction form
86,873.23/130,226.62 = 27,670.53/x - Step 3: Cross multiply
86,873.23x = 130,226.62 × 27,670.53 - Step 4: Simplify right side
86,873.23x = 3,603,439,595.51 - Step 5: Solve for x
x = 3,603,439,595.51/86,873.23 - Step 6: Final answer
x = 41,479.29
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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.