Finding the Fourth Proportional to 83,381.99, 115,066.33 and 45,140.53
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Solution
The fourth proportional to 83,381.99, 115,066.33 and 45,140.53 is: 62,293.48
Step by Step Solution
- Step 1: Write the proportion equation
83,381.99 : 115,066.33 = 45,140.53 : x - Step 2: Convert to fraction form
83,381.99/115,066.33 = 45,140.53/x - Step 3: Cross multiply
83,381.99x = 115,066.33 × 45,140.53 - Step 4: Simplify right side
83,381.99x = 5,194,154,895.65 - Step 5: Solve for x
x = 5,194,154,895.65/83,381.99 - Step 6: Final answer
x = 62,293.48
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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.