Finding the Fourth Proportional to 73,918.13, 102,007.01 and 40,384.13
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Solution
The fourth proportional to 73,918.13, 102,007.01 and 40,384.13 is: 55,730.09
Step by Step Solution
- Step 1: Write the proportion equation
73,918.13 : 102,007.01 = 40,384.13 : x - Step 2: Convert to fraction form
73,918.13/102,007.01 = 40,384.13/x - Step 3: Cross multiply
73,918.13x = 102,007.01 × 40,384.13 - Step 4: Simplify right side
73,918.13x = 4,119,463,943.68 - Step 5: Solve for x
x = 4,119,463,943.68/73,918.13 - Step 6: Final answer
x = 55,730.09
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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.