Finding the Fourth Proportional to 86,670.77, 130,005.69 and 27,510.99
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Solution
The fourth proportional to 86,670.77, 130,005.69 and 27,510.99 is: 41,266.34
Step by Step Solution
- Step 1: Write the proportion equation
86,670.77 : 130,005.69 = 27,510.99 : x - Step 2: Convert to fraction form
86,670.77/130,005.69 = 27,510.99/x - Step 3: Cross multiply
86,670.77x = 130,005.69 × 27,510.99 - Step 4: Simplify right side
86,670.77x = 3,576,585,237.53 - Step 5: Solve for x
x = 3,576,585,237.53/86,670.77 - Step 6: Final answer
x = 41,266.34
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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.