Finding the Fourth Proportional to 83,737.33, 115,550.80 and 47,919.13
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Solution
The fourth proportional to 83,737.33, 115,550.80 and 47,919.13 is: 66,124.55
Step by Step Solution
- Step 1: Write the proportion equation
83,737.33 : 115,550.80 = 47,919.13 : x - Step 2: Convert to fraction form
83,737.33/115,550.80 = 47,919.13/x - Step 3: Cross multiply
83,737.33x = 115,550.80 × 47,919.13 - Step 4: Simplify right side
83,737.33x = 5,537,093,398.13 - Step 5: Solve for x
x = 5,537,093,398.13/83,737.33 - Step 6: Final answer
x = 66,124.55
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1.5x scale
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.