Finding the Fourth Proportional to 84,557.24, 116,688.70 and 48,747.08
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Solution
The fourth proportional to 84,557.24, 116,688.70 and 48,747.08 is: 67,270.80
Step by Step Solution
- Step 1: Write the proportion equation
84,557.24 : 116,688.70 = 48,747.08 : x - Step 2: Convert to fraction form
84,557.24/116,688.70 = 48,747.08/x - Step 3: Cross multiply
84,557.24x = 116,688.70 × 48,747.08 - Step 4: Simplify right side
84,557.24x = 5,688,233,394.00 - Step 5: Solve for x
x = 5,688,233,394.00/84,557.24 - Step 6: Final answer
x = 67,270.80
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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.