Finding the Fourth Proportional to 75,009.24, 103,463.97 and 48,109.14
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Solution
The fourth proportional to 75,009.24, 103,463.97 and 48,109.14 is: 66,359.32
Step by Step Solution
- Step 1: Write the proportion equation
75,009.24 : 103,463.97 = 48,109.14 : x - Step 2: Convert to fraction form
75,009.24/103,463.97 = 48,109.14/x - Step 3: Cross multiply
75,009.24x = 103,463.97 × 48,109.14 - Step 4: Simplify right side
75,009.24x = 4,977,562,437.28 - Step 5: Solve for x
x = 4,977,562,437.28/75,009.24 - Step 6: Final answer
x = 66,359.32
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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.