Finding the Fourth Proportional to 89,845.33, 124,026.41 and 58,029.75
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Solution
The fourth proportional to 89,845.33, 124,026.41 and 58,029.75 is: 80,106.80
Step by Step Solution
- Step 1: Write the proportion equation
89,845.33 : 124,026.41 = 58,029.75 : x - Step 2: Convert to fraction form
89,845.33/124,026.41 = 58,029.75/x - Step 3: Cross multiply
89,845.33x = 124,026.41 × 58,029.75 - Step 4: Simplify right side
89,845.33x = 7,197,221,565.70 - Step 5: Solve for x
x = 7,197,221,565.70/89,845.33 - Step 6: Final answer
x = 80,106.80
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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.