Finding the Fourth Proportional to 75,396.71, 113,098.95 and 19,237.31
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Solution
The fourth proportional to 75,396.71, 113,098.95 and 19,237.31 is: 28,856.95
Step by Step Solution
- Step 1: Write the proportion equation
75,396.71 : 113,098.95 = 19,237.31 : x - Step 2: Convert to fraction form
75,396.71/113,098.95 = 19,237.31/x - Step 3: Cross multiply
75,396.71x = 113,098.95 × 19,237.31 - Step 4: Simplify right side
75,396.71x = 2,175,718,996.33 - Step 5: Solve for x
x = 2,175,718,996.33/75,396.71 - Step 6: Final answer
x = 28,856.95
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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.