Finding the Fourth Proportional to 93,239.44, 128,718.08 and 63,183.56
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Solution
The fourth proportional to 93,239.44, 128,718.08 and 63,183.56 is: 87,225.60
Step by Step Solution
- Step 1: Write the proportion equation
93,239.44 : 128,718.08 = 63,183.56 : x - Step 2: Convert to fraction form
93,239.44/128,718.08 = 63,183.56/x - Step 3: Cross multiply
93,239.44x = 128,718.08 × 63,183.56 - Step 4: Simplify right side
93,239.44x = 8,132,866,530.76 - Step 5: Solve for x
x = 8,132,866,530.76/93,239.44 - Step 6: Final answer
x = 87,225.60
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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.