Finding the Fourth Proportional to 75,615.93, 113,507.73 and 63,915.08
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Solution
The fourth proportional to 75,615.93, 113,507.73 and 63,915.08 is: 95,943.47
Step by Step Solution
- Step 1: Write the proportion equation
75,615.93 : 113,507.73 = 63,915.08 : x - Step 2: Convert to fraction form
75,615.93/113,507.73 = 63,915.08/x - Step 3: Cross multiply
75,615.93x = 113,507.73 × 63,915.08 - Step 4: Simplify right side
75,615.93x = 7,254,855,076.03 - Step 5: Solve for x
x = 7,254,855,076.03/75,615.93 - Step 6: Final answer
x = 95,943.47
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1.5x scale
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.