Finding the Fourth Proportional to 93,509.83, 129,028.44 and 53,224.21
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Solution
The fourth proportional to 93,509.83, 129,028.44 and 53,224.21 is: 73,440.80
Step by Step Solution
- Step 1: Write the proportion equation
93,509.83 : 129,028.44 = 53,224.21 : x - Step 2: Convert to fraction form
93,509.83/129,028.44 = 53,224.21/x - Step 3: Cross multiply
93,509.83x = 129,028.44 × 53,224.21 - Step 4: Simplify right side
93,509.83x = 6,867,436,786.53 - Step 5: Solve for x
x = 6,867,436,786.53/93,509.83 - Step 6: Final answer
x = 73,440.80
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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.