Finding the Fourth Proportional to 77,097.71, 106,395.57 and 45,267.14
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Solution
The fourth proportional to 77,097.71, 106,395.57 and 45,267.14 is: 62,469.08
Step by Step Solution
- Step 1: Write the proportion equation
77,097.71 : 106,395.57 = 45,267.14 : x - Step 2: Convert to fraction form
77,097.71/106,395.57 = 45,267.14/x - Step 3: Cross multiply
77,097.71x = 106,395.57 × 45,267.14 - Step 4: Simplify right side
77,097.71x = 4,816,222,630.59 - Step 5: Solve for x
x = 4,816,222,630.59/77,097.71 - Step 6: Final answer
x = 62,469.08
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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.