Finding the Fourth Proportional to 87,056.48, 130,581.06 and 27,890.84
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Solution
The fourth proportional to 87,056.48, 130,581.06 and 27,890.84 is: 41,835.08
Step by Step Solution
- Step 1: Write the proportion equation
87,056.48 : 130,581.06 = 27,890.84 : x - Step 2: Convert to fraction form
87,056.48/130,581.06 = 27,890.84/x - Step 3: Cross multiply
87,056.48x = 130,581.06 × 27,890.84 - Step 4: Simplify right side
87,056.48x = 3,642,014,798.59 - Step 5: Solve for x
x = 3,642,014,798.59/87,056.48 - Step 6: Final answer
x = 41,835.08
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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.