Finding the Fourth Proportional to 85,934.24, 118,603.52 and 50,124.26
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Solution
The fourth proportional to 85,934.24, 118,603.52 and 50,124.26 is: 69,179.80
Step by Step Solution
- Step 1: Write the proportion equation
85,934.24 : 118,603.52 = 50,124.26 : x - Step 2: Convert to fraction form
85,934.24/118,603.52 = 50,124.26/x - Step 3: Cross multiply
85,934.24x = 118,603.52 × 50,124.26 - Step 4: Simplify right side
85,934.24x = 5,944,913,673.40 - Step 5: Solve for x
x = 5,944,913,673.40/85,934.24 - Step 6: Final answer
x = 69,179.80
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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.