Finding the Fourth Proportional to 115,555.74, 173,423.99 and 59,393.58
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Solution
The fourth proportional to 115,555.74, 173,423.99 and 59,393.58 is: 89,136.82
Step by Step Solution
- Step 1: Write the proportion equation
115,555.74 : 173,423.99 = 59,393.58 : x - Step 2: Convert to fraction form
115,555.74/173,423.99 = 59,393.58/x - Step 3: Cross multiply
115,555.74x = 173,423.99 × 59,393.58 - Step 4: Simplify right side
115,555.74x = 10,300,271,623.98 - Step 5: Solve for x
x = 10,300,271,623.98/115,555.74 - Step 6: Final answer
x = 89,136.82
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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.