Finding the Fourth Proportional to 92,050.29, 138,075.57 and 28,008.99
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Solution
The fourth proportional to 92,050.29, 138,075.57 and 28,008.99 is: 42,013.53
Step by Step Solution
- Step 1: Write the proportion equation
92,050.29 : 138,075.57 = 28,008.99 : x - Step 2: Convert to fraction form
92,050.29/138,075.57 = 28,008.99/x - Step 3: Cross multiply
92,050.29x = 138,075.57 × 28,008.99 - Step 4: Simplify right side
92,050.29x = 3,867,357,259.37 - Step 5: Solve for x
x = 3,867,357,259.37/92,050.29 - Step 6: Final answer
x = 42,013.53
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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.