Finding the Fourth Proportional to 84,533.76, 116,660.52 and 48,723.12
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Solution
The fourth proportional to 84,533.76, 116,660.52 and 48,723.12 is: 67,240.17
Step by Step Solution
- Step 1: Write the proportion equation
84,533.76 : 116,660.52 = 48,723.12 : x - Step 2: Convert to fraction form
84,533.76/116,660.52 = 48,723.12/x - Step 3: Cross multiply
84,533.76x = 116,660.52 × 48,723.12 - Step 4: Simplify right side
84,533.76x = 5,684,064,515.22 - Step 5: Solve for x
x = 5,684,064,515.22/84,533.76 - Step 6: Final answer
x = 67,240.17
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1.5x scale
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.