Finding the Fourth Proportional to 77,028.44, 106,299.98 and 45,197.88
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Solution
The fourth proportional to 77,028.44, 106,299.98 and 45,197.88 is: 62,373.50
Step by Step Solution
- Step 1: Write the proportion equation
77,028.44 : 106,299.98 = 45,197.88 : x - Step 2: Convert to fraction form
77,028.44/106,299.98 = 45,197.88/x - Step 3: Cross multiply
77,028.44x = 106,299.98 × 45,197.88 - Step 4: Simplify right side
77,028.44x = 4,804,533,740.04 - Step 5: Solve for x
x = 4,804,533,740.04/77,028.44 - Step 6: Final answer
x = 62,373.50
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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.