Finding the Fourth Proportional to 93,763.62, 129,388.74 and 51,313.92
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Solution
The fourth proportional to 93,763.62, 129,388.74 and 51,313.92 is: 70,810.44
Step by Step Solution
- Step 1: Write the proportion equation
93,763.62 : 129,388.74 = 51,313.92 : x - Step 2: Convert to fraction form
93,763.62/129,388.74 = 51,313.92/x - Step 3: Cross multiply
93,763.62x = 129,388.74 × 51,313.92 - Step 4: Simplify right side
93,763.62x = 6,639,443,453.26 - Step 5: Solve for x
x = 6,639,443,453.26/93,763.62 - Step 6: Final answer
x = 70,810.44
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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.