Finding the Fourth Proportional to 70,750.44, 106,078.68 and 28,027.53
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Solution
The fourth proportional to 70,750.44, 106,078.68 and 28,027.53 is: 42,022.68
Step by Step Solution
- Step 1: Write the proportion equation
70,750.44 : 106,078.68 = 28,027.53 : x - Step 2: Convert to fraction form
70,750.44/106,078.68 = 28,027.53/x - Step 3: Cross multiply
70,750.44x = 106,078.68 × 28,027.53 - Step 4: Simplify right side
70,750.44x = 2,973,123,386.06 - Step 5: Solve for x
x = 2,973,123,386.06/70,750.44 - Step 6: Final answer
x = 42,022.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.