Finding the Fourth Proportional to 117,569.07, 162,246.49 and 63,855.14
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Solution
The fourth proportional to 117,569.07, 162,246.49 and 63,855.14 is: 88,120.72
Step by Step Solution
- Step 1: Write the proportion equation
117,569.07 : 162,246.49 = 63,855.14 : x - Step 2: Convert to fraction form
117,569.07/162,246.49 = 63,855.14/x - Step 3: Cross multiply
117,569.07x = 162,246.49 × 63,855.14 - Step 4: Simplify right side
117,569.07x = 10,360,271,362.59 - Step 5: Solve for x
x = 10,360,271,362.59/117,569.07 - Step 6: Final answer
x = 88,120.72
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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.