Finding the Fourth Proportional to 75,242.24, 103,834.68 and 43,412.48
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Solution
The fourth proportional to 75,242.24, 103,834.68 and 43,412.48 is: 59,909.45
Step by Step Solution
- Step 1: Write the proportion equation
75,242.24 : 103,834.68 = 43,412.48 : x - Step 2: Convert to fraction form
75,242.24/103,834.68 = 43,412.48/x - Step 3: Cross multiply
75,242.24x = 103,834.68 × 43,412.48 - Step 4: Simplify right side
75,242.24x = 4,507,720,968.81 - Step 5: Solve for x
x = 4,507,720,968.81/75,242.24 - Step 6: Final answer
x = 59,909.45
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1.5x scale
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.