Finding the Fourth Proportional to 83,501.58, 115,219.67 and 47,683.99
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Solution
The fourth proportional to 83,501.58, 115,219.67 and 47,683.99 is: 65,796.76
Step by Step Solution
- Step 1: Write the proportion equation
83,501.58 : 115,219.67 = 47,683.99 : x - Step 2: Convert to fraction form
83,501.58/115,219.67 = 47,683.99/x - Step 3: Cross multiply
83,501.58x = 115,219.67 × 47,683.99 - Step 4: Simplify right side
83,501.58x = 5,494,133,497.69 - Step 5: Solve for x
x = 5,494,133,497.69/83,501.58 - Step 6: Final answer
x = 65,796.76
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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.