Finding the Fourth Proportional to 75,797.54, 104,610.30 and 63,028.76
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Solution
The fourth proportional to 75,797.54, 104,610.30 and 63,028.76 is: 86,987.75
Step by Step Solution
- Step 1: Write the proportion equation
75,797.54 : 104,610.30 = 63,028.76 : x - Step 2: Convert to fraction form
75,797.54/104,610.30 = 63,028.76/x - Step 3: Cross multiply
75,797.54x = 104,610.30 × 63,028.76 - Step 4: Simplify right side
75,797.54x = 6,593,457,492.23 - Step 5: Solve for x
x = 6,593,457,492.23/75,797.54 - Step 6: Final answer
x = 86,987.75
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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.