Finding the Fourth Proportional to 124,515.90, 171,846.68 and 70,808.99
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Solution
The fourth proportional to 124,515.90, 171,846.68 and 70,808.99 is: 97,724.78
Step by Step Solution
- Step 1: Write the proportion equation
124,515.90 : 171,846.68 = 70,808.99 : x - Step 2: Convert to fraction form
124,515.90/171,846.68 = 70,808.99/x - Step 3: Cross multiply
124,515.90x = 171,846.68 × 70,808.99 - Step 4: Simplify right side
124,515.90x = 12,168,288,632.37 - Step 5: Solve for x
x = 12,168,288,632.37/124,515.90 - Step 6: Final answer
x = 97,724.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.