Finding the Fourth Proportional to 75,214.24, 103,673.84 and 51,007.20
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Solution
The fourth proportional to 75,214.24, 103,673.84 and 51,007.20 is: 70,307.33
Step by Step Solution
- Step 1: Write the proportion equation
75,214.24 : 103,673.84 = 51,007.20 : x - Step 2: Convert to fraction form
75,214.24/103,673.84 = 51,007.20/x - Step 3: Cross multiply
75,214.24x = 103,673.84 × 51,007.20 - Step 4: Simplify right side
75,214.24x = 5,288,112,291.65 - Step 5: Solve for x
x = 5,288,112,291.65/75,214.24 - Step 6: Final answer
x = 70,307.33
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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.