Finding the Fourth Proportional to 77,237.17, 106,581.59 and 43,237.82
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Solution
The fourth proportional to 77,237.17, 106,581.59 and 43,237.82 is: 59,665.00
Step by Step Solution
- Step 1: Write the proportion equation
77,237.17 : 106,581.59 = 43,237.82 : x - Step 2: Convert to fraction form
77,237.17/106,581.59 = 43,237.82/x - Step 3: Cross multiply
77,237.17x = 106,581.59 × 43,237.82 - Step 4: Simplify right side
77,237.17x = 4,608,355,816.14 - Step 5: Solve for x
x = 4,608,355,816.14/77,237.17 - Step 6: Final answer
x = 59,665.00
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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.