Finding the Fourth Proportional to 77,482.00, 106,803.85 and 50,611.06
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Solution
The fourth proportional to 77,482.00, 106,803.85 and 50,611.06 is: 69,764.02
Step by Step Solution
- Step 1: Write the proportion equation
77,482.00 : 106,803.85 = 50,611.06 : x - Step 2: Convert to fraction form
77,482.00/106,803.85 = 50,611.06/x - Step 3: Cross multiply
77,482.00x = 106,803.85 × 50,611.06 - Step 4: Simplify right side
77,482.00x = 5,405,455,400.03 - Step 5: Solve for x
x = 5,405,455,400.03/77,482.00 - Step 6: Final answer
x = 69,764.02
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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.