Finding the Fourth Proportional to 125,652.06, 173,410.47 and 69,075.18
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Solution
The fourth proportional to 125,652.06, 173,410.47 and 69,075.18 is: 95,329.59
Step by Step Solution
- Step 1: Write the proportion equation
125,652.06 : 173,410.47 = 69,075.18 : x - Step 2: Convert to fraction form
125,652.06/173,410.47 = 69,075.18/x - Step 3: Cross multiply
125,652.06x = 173,410.47 × 69,075.18 - Step 4: Simplify right side
125,652.06x = 11,978,359,429.13 - Step 5: Solve for x
x = 11,978,359,429.13/125,652.06 - Step 6: Final answer
x = 95,329.59
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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.