Finding the Fourth Proportional to 77,426.96, 106,857.30 and 43,444.62
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Solution
The fourth proportional to 77,426.96, 106,857.30 and 43,444.62 is: 59,958.12
Step by Step Solution
- Step 1: Write the proportion equation
77,426.96 : 106,857.30 = 43,444.62 : x - Step 2: Convert to fraction form
77,426.96/106,857.30 = 43,444.62/x - Step 3: Cross multiply
77,426.96x = 106,857.30 × 43,444.62 - Step 4: Simplify right side
77,426.96x = 4,642,374,792.73 - Step 5: Solve for x
x = 4,642,374,792.73/77,426.96 - Step 6: Final answer
x = 59,958.12
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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.