Finding the Fourth Proportional to 93,873.66, 129,546.99 and 56,140.62
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Solution
The fourth proportional to 93,873.66, 129,546.99 and 56,140.62 is: 77,474.86
Step by Step Solution
- Step 1: Write the proportion equation
93,873.66 : 129,546.99 = 56,140.62 : x - Step 2: Convert to fraction form
93,873.66/129,546.99 = 56,140.62/x - Step 3: Cross multiply
93,873.66x = 129,546.99 × 56,140.62 - Step 4: Simplify right side
93,873.66x = 7,272,848,337.73 - Step 5: Solve for x
x = 7,272,848,337.73/93,873.66 - Step 6: Final answer
x = 77,474.86
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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.