Finding the Fourth Proportional to 93,763.09, 129,388.08 and 51,313.42
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Solution
The fourth proportional to 93,763.09, 129,388.08 and 51,313.42 is: 70,809.79
Step by Step Solution
- Step 1: Write the proportion equation
93,763.09 : 129,388.08 = 51,313.42 : x - Step 2: Convert to fraction form
93,763.09/129,388.08 = 51,313.42/x - Step 3: Cross multiply
93,763.09x = 129,388.08 × 51,313.42 - Step 4: Simplify right side
93,763.09x = 6,639,344,892.03 - Step 5: Solve for x
x = 6,639,344,892.03/93,763.09 - Step 6: Final answer
x = 70,809.79
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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.