Finding the Fourth Proportional to 75,490.24, 113,260.08 and 38,032.56
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Solution
The fourth proportional to 75,490.24, 113,260.08 and 38,032.56 is: 57,061.29
Step by Step Solution
- Step 1: Write the proportion equation
75,490.24 : 113,260.08 = 38,032.56 : x - Step 2: Convert to fraction form
75,490.24/113,260.08 = 38,032.56/x - Step 3: Cross multiply
75,490.24x = 113,260.08 × 38,032.56 - Step 4: Simplify right side
75,490.24x = 4,307,570,788.20 - Step 5: Solve for x
x = 4,307,570,788.20/75,490.24 - Step 6: Final answer
x = 57,061.29
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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.