Finding the Fourth Proportional to 83,594.84, 125,386.14 and 39,231.68
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Solution
The fourth proportional to 83,594.84, 125,386.14 and 39,231.68 is: 58,844.65
Step by Step Solution
- Step 1: Write the proportion equation
83,594.84 : 125,386.14 = 39,231.68 : x - Step 2: Convert to fraction form
83,594.84/125,386.14 = 39,231.68/x - Step 3: Cross multiply
83,594.84x = 125,386.14 × 39,231.68 - Step 4: Simplify right side
83,594.84x = 4,919,108,920.92 - Step 5: Solve for x
x = 4,919,108,920.92/83,594.84 - Step 6: Final answer
x = 58,844.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.