Finding the Fourth Proportional to 91,507.85, 137,257.71 and 24,947.99
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Solution
The fourth proportional to 91,507.85, 137,257.71 and 24,947.99 is: 37,420.87
Step by Step Solution
- Step 1: Write the proportion equation
91,507.85 : 137,257.71 = 24,947.99 : x - Step 2: Convert to fraction form
91,507.85/137,257.71 = 24,947.99/x - Step 3: Cross multiply
91,507.85x = 137,257.71 × 24,947.99 - Step 4: Simplify right side
91,507.85x = 3,424,303,290.21 - Step 5: Solve for x
x = 3,424,303,290.21/91,507.85 - Step 6: Final answer
x = 37,420.87
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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.