Finding the Fourth Proportional to 75,195.94, 103,763.50 and 43,358.68
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Solution
The fourth proportional to 75,195.94, 103,763.50 and 43,358.68 is: 59,831.00
Step by Step Solution
- Step 1: Write the proportion equation
75,195.94 : 103,763.50 = 43,358.68 : x - Step 2: Convert to fraction form
75,195.94/103,763.50 = 43,358.68/x - Step 3: Cross multiply
75,195.94x = 103,763.50 × 43,358.68 - Step 4: Simplify right side
75,195.94x = 4,499,048,392.18 - Step 5: Solve for x
x = 4,499,048,392.18/75,195.94 - Step 6: Final answer
x = 59,831.00
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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.