Finding the Fourth Proportional to 76,686.08, 105,792.68 and 44,840.94
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Solution
The fourth proportional to 76,686.08, 105,792.68 and 44,840.94 is: 61,860.55
Step by Step Solution
- Step 1: Write the proportion equation
76,686.08 : 105,792.68 = 44,840.94 : x - Step 2: Convert to fraction form
76,686.08/105,792.68 = 44,840.94/x - Step 3: Cross multiply
76,686.08x = 105,792.68 × 44,840.94 - Step 4: Simplify right side
76,686.08x = 4,743,843,216.32 - Step 5: Solve for x
x = 4,743,843,216.32/76,686.08 - Step 6: Final answer
x = 61,860.55
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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.