Finding the Fourth Proportional to 114,551.16, 158,081.45 and 63,564.09
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Solution
The fourth proportional to 114,551.16, 158,081.45 and 63,564.09 is: 87,718.92
Step by Step Solution
- Step 1: Write the proportion equation
114,551.16 : 158,081.45 = 63,564.09 : x - Step 2: Convert to fraction form
114,551.16/158,081.45 = 63,564.09/x - Step 3: Cross multiply
114,551.16x = 158,081.45 × 63,564.09 - Step 4: Simplify right side
114,551.16x = 10,048,303,515.13 - Step 5: Solve for x
x = 10,048,303,515.13/114,551.16 - Step 6: Final answer
x = 87,718.92
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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.