Finding the Fourth Proportional to 76,992.41, 106,246.53 and 48,327.53
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Solution
The fourth proportional to 76,992.41, 106,246.53 and 48,327.53 is: 66,690.11
Step by Step Solution
- Step 1: Write the proportion equation
76,992.41 : 106,246.53 = 48,327.53 : x - Step 2: Convert to fraction form
76,992.41/106,246.53 = 48,327.53/x - Step 3: Cross multiply
76,992.41x = 106,246.53 × 48,327.53 - Step 4: Simplify right side
76,992.41x = 5,134,631,834.74 - Step 5: Solve for x
x = 5,134,631,834.74/76,992.41 - Step 6: Final answer
x = 66,690.11
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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.