Finding the Fourth Proportional to 75,759.08, 104,509.08 and 57,822.96
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Solution
The fourth proportional to 75,759.08, 104,509.08 and 57,822.96 is: 79,766.34
Step by Step Solution
- Step 1: Write the proportion equation
75,759.08 : 104,509.08 = 57,822.96 : x - Step 2: Convert to fraction form
75,759.08/104,509.08 = 57,822.96/x - Step 3: Cross multiply
75,759.08x = 104,509.08 × 57,822.96 - Step 4: Simplify right side
75,759.08x = 6,043,024,352.48 - Step 5: Solve for x
x = 6,043,024,352.48/75,759.08 - Step 6: Final answer
x = 79,766.34
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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.